There simply is not much that cannot be accomplished with the 45 Colt. The 45 Colt also predates the 38 Special, the 44 Special, and the 45 ACP, and not only is it more than 80 years older than the 44 Magnum, but it also has more case capacity and in the proper sixguns can outrank the 44 Magnum. The 9.2 got the best SD and EP, if that means much to you. The only 456 bullet I am aware of is a conical made for Ruger Old Armys, so Lyman saying that is the right bullet for 45 Colt makes no sense. These will still work in the vast majority of sixguns with the exception of the old short cylinder Smith & Wesson N-frames produced prior to 1978 and a couple of others not commonly encountered. Want to practice more with that big-bore hunting rifle or enjoy that magnum pistol more at the range? They are my choice for the heaviest loads especially with cast bullets weighing 300 grains and heavier. Giveaway prizes may have evidence of being test fired or exhibit minor handling marks. Share to Reddit. I didnt realize how many different powders from Hodgdon I use in loading the 45 Colt until I began putting this article together. Montana Fish, Wildlife & Parks, State Agency: Texas Parks & Wildlife Department, State Agency: Associated taxes and fees are the responsibility of winners. With the coming of Rugers Blackhawk chambered in 45 Colt in the early 1970s, we finally had a sixgun that could tap the tremendous potential of the 45 Colt cartridge. Contest void where prohibited by law. Mail-in entries accepted; send postcards (no envelopes) to: GUNS Magazine, GOM May 2023, P.O. Box 488, Escondido, CA 92033. Keiths #454424 was an excellent bullet, but it has been improved by Dave Scovill and is offered by RCBS as #45-270SAA. This load will certainly handle deer-sized game. ), RCBS #45-270SWC (284 gr.). I have found HS-6, Universal, and W231 powders work very well for standard loads, while IMR 4227 bulks up nicely in 45 Colt brass. All entries must be received by giveaway end date. Stocky's Owner Don Bitz walks David Faubion through the company's new rifle stocks for 2023. Taurus Marketing Manager Caleb Giddings highlights the features of the new Taurus Raging Hunter 460 Magnum, a purpose-built revolver with a 10.5-inch barrel and an effective recoil-taming brake, with Guns & Ammo Executive Editor Joe Kurtenbach. It is a good choice for self-defense, long-range shooting, hunting everything on four legs, and just plain fun shooting. Louisiana Department of Wildlife & Fisheries, State Agency: For example, Lyman mould No. That is, until I tried IMR 4227 with Lymans #452424 and a 20.0-grain load, and that combination produced one-hole groups. It also is a most versatile powder as it can be used for standard loads for the Colt SAA and heavy loads for the Blackhawk. Idaho Department of Fish & Game, State Agency: They do provide identical results of muzzle velocities and pressures using the same charge weights, and I use them interchangeably. 2020, Lyman Products Corporation, printed in U.S.A. All other trademarks in this catalog are the property of their respective owners. Then comes the Freedom Arms Model 97, the original Ruger Vaquero, Ruger Blackhawk, Ruger Redhawk, and the Ruger Super Redhawk. It is my most used powder both in cap-and-ball and cartridge-firing sixguns when black powder loads are desired. Contest void where prohibited by law. State Agency: For clarification, the above three, revolvers are completely original with barrels featuring the small rounded bead-type. Addeddate 2019-02-27 13:08:05 Identifier LymanReloadingHandbook48thEdition2002Ocr_201902 Identifier-ark ark:/13960/t9093sd5t Ocr ABBYY FineReader 11.0 (Extended OCR) flatpoint Keith-style bullets. .449 inch to .460 inch, and Smith & Wessons from .451 to .458 inch. I cast the Lyman 452-424 250gr. And about 1450+fps out of the 20" 454 Puma Levergun. It didnt take long for manufacturers to offer heavier bullets, and two of the best came from NEI. By this time Winchester had changed its name to USRAC (United States Repeating Arms Co.) and the Trappers were offered in two versions, a blued receiver or a case-colored receiver. Indiana Department of Natural Resources, State Agency: [See page on powder location in case affecting FPS elsewhere on pages] Factory warranties may apply in some cases. My brass of choice is Starlines excellent 45 Colt brass with CCI 300 Large Pistol primers for all powders, except I switch to CCI 350 Magnum Pistol primers with IMR 4227, H110, W296, and all black powder and black powder substitutes. My most used powders for these loads are #2400, #9, #4227 and H110. There are now 25 states with so-called Constitutional carry and Florida appears to be approaching permitless carry, which translates to more citizens S&W Set The Bar For Magnum Handgun Performance 50 Years Ago. Deployed military should use stateside address. Contest open to U.S. residents only. Mississippi Deptartment of Wildlife, Fisheries & Parks, State Agency: The availability of all of these bullets is dependent on how much time I have to cast my own. models. It is a good choice for self-defense, long-range shooting, hunting everything on four legs, and just plain fun shooting. A check of Hodgdons loading manuals shows these two powders using the same charge weight produce the same velocities and pressures. That is, if the loading table calls for 40 grains of black powder, then one uses a 40-grain volume powder measure for the same amount by volume of Pyrodex. It would also be excellent for a defense load. Universal is an excellent powder for the 45 Colt with 8.0 grains under a 250-grain bullet duplicating the old black powder load. One problem inherent with the original #454424 was the fact that when sized to 0.451 to 0.452 inch, the crimping groove almost disappears. Over the past 35 years all four of these leverguns have shot extensively with both jacketed and cast bullets. sets maximum standards for cartridges; this standard must be set at a level safely usable in the weakest common denominator. When Ray Thompson was designing his line of bullets, he did not neglect the 45. I have tested vintage loads that produced an honest 1,000 fps. Using a 250-grain cast bullet, 37.5 grains by volume of Pyrodex P results in a very potent 987 fps and a five-shot, 50-foot group of 0.88 inch in my revolver. I didnt realize how many different powders from Hodgdon I use in loading the 45 Colt until I began putting this article together. Discussion: The old Western Style COLT normally uses big, heavy and slow lead bullets. SWC - 9.6 grains Unique Lyman # 454190 , 250 gr. Actually, we can divide 45 Colt sixguns into several reloading levels, and I have moderated these somewhat over the past several years, with the first two levels being very close together. The SCAR 15P is chambered for 5.56 NATO and, with its 7.5-inch barrel, is the most compact SCAR to date. 53 pg. Factory warranties may apply in some cases. Prizes will not be awarded if illegal in jurisdiction of winners. There were no 45 Colt heavyweight bullets available at the time, so we sized down 300-grain 45-70 bullets in several stages, going from around 0.460 inch to 0.452 inch. like original Colts. With the coming of Rugers Blackhawk chambered in 45 Colt in the early 1970s, we finally had a sixgun that could tap the tremendous potential of the 45 Colt cartridge. These Smith & Wesson .45 Colts include a (1) Model 25-5 with 838-inch barrel, (2) Model 25-5 with 6-inch barrel, (3) Model 25-5 with 4-inch barrel and a (4) Model 625-6 Mountain Gun with a tapered 4-inch barrel. A favorite pastime of many dedicated sixgunners is sitting around a campfire arguing the merits of their particular choice of caliber. Starting load is 12.4 grains and top load is 15.4 grains of Blue Dot. With the 45 Colt, IMR 4227 is almost magical in being able to provide excellent accuracy when other powders will not. We are blessed to have many excellent cartridges and sixguns available to us, but it would be hard to find any cartridge that is as versatile as the old 45 Colt. Contest void where prohibited by law. Ben Voss FN Product Manager talks about the new FN SCAR 15P ultra-compact rifle-caliber pistol at SHOT Show 2023. Universal is an excellent powder for the 45 Colt with 8.0 grains under a 250-grain bullet duplicating the old black powder load. Load up some Low Recoil handloads. The original .45 Colt bullet profile is known as a truncated cone or round nosed flat point (RNFP). Yes, these loads in this rifle could be stretched farther, however for feral pigs or white tail deer from a stand one would rarely have to shoot any farther than this. When loaded in the Colt Single Action Army at around 850 fps, it is a most powerful everyday working load. I found the following heavyweight bullets all would work through both the Winchester and Marlin actions: NEI 310 Keith, NEI 325 Keith, Lyman #454629GC 300-grain FN, RCBS #45-270 SAA weighing around 284 grains with my alloy, and I also checked the #454490GC design by Ray Thompson, which is a 255-grain Keith-style gas-checked bullet. There were no 45 Colt heavyweight bullets available at the time, so we sized down 300-grain 45-70 bullets in several stages, going from around 0.460 inch to 0.452 inch. Caleb Giddings, Marketing Manager at Taurus, introduces the all-new TaurusTX 22 Compact. South Carolina Department of Natural Resources, State Agency: im leaning towards the ruger blackhawk bisley 45 long cot 5.5 barrel. (II) Limit one (1) entry per household; multiple entries will disqualify entrants. Stay tuned. Lyman has been an important name for shooters for well over 100 years. Employees and agents of Publishers Development Corp. are not eligible. Joe Kurtenbach, Executive Editor of Gun & Ammo, and John Myles from Smith & Wesson discuss features of the Equalizer 9mm micro-compact pistol and new-for-2023 M&P 5.7. After a long days work on our remote cattle ranch, I would cast bullets and handload ammunition in the evening so that I could continue shooting the next day. No purchase necessary. The 45 Colt rim is smaller than the rim on a 45 Auto Rim. (NOTE: Sections marked Ruger Only are not for the New Model Blackhawk Flat-Tops or the New Vaquero!) Chris Johnson, FN Senior Product Manager, walks us through two new FN striker-fired pistols at SHOT Show 2023: the FN 510 Tactical, chambered in 10mm Auto, and the FN 545 Tactical, chambered in .45 ACP. California Department of Fish & Wildlife, State Agency: Subscriber Services. Moving up to the second level, loads at around 1,000 fps with the same-weight bullet are used in the Colt New Frontier, Smith & Wesson Model 25/625, Ruger Flat-Top New Model, and the Ruger New Vaquero. Normal powders vary quite a bit and also have a larger spread between shots. Powders include The performance level is pretty close to the original Black Powder load but far more effective due to the bullet I use. and how they grouped at ther yrds. When he died in 1862, the company was dedicated to producing the same percussion revolvers. Quality 300-grain jacketed bullets are also offered by all three of these manufacturers. The new rifle is built on an aluminum billet chassis with carbon-fiber forend and cheek riser featuring V-block bedding. Later production revolvers and lever action rifles are built with .451 diameter grooves., This statement has been repeated many times but holds very little truth. Both of these are plainbased Keith-style bullets, and their numbers are #310.451 and #325.454, with the first three digits giving the approximate bullet weight. However, there are two problems associated with it: case capacity and cylinder throat diameters. Bullet is .452 diameter. Handgun Data. This significantly improved its accuracy when compared to the original cylinder with its typical oversized throats, and resulted in increased velocity. The charge weight is 9.2 grains. considered more the norm. Meet the all-new Taurus Judge Executive Grade, a revolver featuring a hand-polished satin finish, presentation-grade wood grips, a brass rod front sight and an exceptional hand-tuned trigger. The availability of all of these bullets is dependent on how much time I have to cast my own. They include a (1) restored 1900 revolver with carved grips, (2) 1903 custom engraved, (3) 1901 with carved pearl grips, (4) 1899 with carved grips, (5) 1957-era custom, (6) custom 1901 with stag grips, (7) 1903 with custom carved grips and a (8) Colt New Frontier SAA with custom carved grips. It has never failed me. This is a plain base bullet and I found out very quickly it was not very accurate in either rifle. However, it cannot be approached the same as smokeless. Prizes will not be awarded if illegal in jurisdiction of winners. S.A.A.M.I. Heavy loads that are safe for use in the Ruger Redhawk would destroy a fine Colt SAA. Instead of being overly large, Rugers have been way too tight, with some measuring around 0.449 inch, but now Ruger is cutting all cylinder throats at 0.451 to 0.452 inch. now im looking for top performance load data to ass to my load data book for this caliber. Pyrodex P is the equivalent of Triple-F or FFFg black powder. However, the first known commercial listing is found in the 1880 UMC catalog. I prefer to use 250-grain jacketed bullets in conjunction with +P loads, which is a subject for another day. so when i find my gun,,i can get busy asap with this . Here is what Lyman #4 has to say on 45 Colt, maximum Unique , standard pressure loads: Lee 452-200-RF , 200 gr. I normally stay under 900 fps with a 250-grain bullet in Colt Single Action Army revolvers and its replicas. After all the work and expense, it turned out to be a somewhat mediocre performer. His 45 Colt bullet was #454424 and was available for decades from Lyman. VihtaVuori Oy Company, reloading booklet (1995) Numerous magazine articles on reloading special calibers and personal loads where noted. 9 with 15 gr. The company also distributes IMR and Winchester powders as well as Goex black powder. I especially like the 260-grain Keith gas-check bullet which shoots exceptionally well using #4227, 20.0 grains is 1,115 fps for 5/8 and then it gets even better! For comparison the above .44 Magnum factory loads (which are admittedly conservative) have a TKO factor only slightly higher at 17.35. These two bullets in a custom five-shot Blackhawk or Freedom Arms Model 83 five-shooter can be driven to 1,450 fps with W296 or H110. It was submitted to the U.S. Army in 1872 and would become known as the Colt Single Action Army, Model of 1873, Peacemaker, Model P, Thumb Buster and a host of other affectionate names. (II) Limit one (1) entry per household; multiple entries will disqualify entrants. That is black powder loads or Black powder level only. A pair of Old Model Blackhawks with 4-5/8 and 4-3/4 barrels put five rounds in 1 at 20 yards while traveling at about 800 fps. This same bullet can be loaded to much higher velocity in Rugers large-frame single- and double-action sixguns. I have found two things necessary gas checks and hard alloys, also in most cases muzzle velocities over 1,200-1,300 fps. More than 45 years of shooting and slugging the barrels of hundreds of Colt SAAs suggests differently. in pistol calibers than the old. I load 7.5gr of HP38 in Starline brass and crimp in the crimp groove of each of these bullets. These Lyman loads are conservative made for older guns. Before loading any ammunition for leverguns, I first make dummy rounds to be able to check both feeding through the action and chambering. Tennessee Wildlife Resources Agency, State Agency: No purchase necessary. This prevents bullets from being sized down when seated into an overly tight case. To protect the privacy and security of winners, names will not be made public. SWC), 853 (Powder UP see note) (Hi=872.5 Lo=827.5 Spread=45 fps)(some unburned powder), 802 (Powder DOWN see note) (Hi=809.2 Lo=792.6 Spread=16.6 fps). John with the Winchester Trapper in .45 Colt; the neckerchief is Elmer Keith was way ahead of his time in developing everyday working and hunting loads. Colt191145. 454190 (255 grains) shares a similar profile as the original Government bullet but is a plainbase design that is generally very accurate and can be sized to around .454 to .455 inch for guns with larger throats. Hawaii Department of Land & Natural Resources, State Agency: Everyone who has a Ruger Blackhawk or Freedom Arms single-action revolver realizes the roots of these modern guns go back to the Colt Single Action Army. Sam Colt became a millionaire producing percussion revolvers. bullet type,style,powder ,amount,col.,primeres,and if possable fps. .45 Colt Keith bullets: Lyman #454424 (264 gr. and other smokeless cartridges were introduced. I was fortunate to find one of each. It is often associated with its vital role in settling the western frontier, where it found favor with lawmen, outlaws and anyone that needed a potent sixgun. Mail-in entries accepted; send postcards (no envelopes) to: GUNS Magazine, GOM March 2022, P.O. Employees and agents of Publishers Development Corp. are not eligible. However, there are two problems associated with it: case capacity and cylinder throat diameters. Prizes will not be awarded if illegal in jurisdiction of winners. Share to Facebook. Guns with larger throats will usually produce improved accuracy when loaded with bullets that measure .454 to .456 inch. Winners must respond within 30 days of receiving notification or an alternate winner will be selected. To protect the privacy and security of winners, names will not be made public. What has varied significantly is the throat diameter (ball end, chamber mouth, etc.) When using a revolver with large throats, there are solutions to improve accuracy. For the .45 Colt my standard load is 5.5 grains of Clays, which gives from 780 fps to 840 fps depending upon the sixgun used. Employees and agents of Publishers Development Corp. are not eligible. I have yet to find any levergun or sixgun that does not shoot this Dick Casull-designed bullet exceptionally well. Rim Rocks 255-grain SWC with gas check is accurate and alleviates leading issues with revolvers (or barrels) that are prone to that. I have been pleasantly surprised by the Marlin Trapper. Published .45 Colt rifle data tends to use the same medium burning powders as non Ruger .45 Colt revolver data, with 255 gr bullet velocities around 1100 fps - about 200 fps faster than in a revolver. Due to different barrel lengths, type of bullet, seating depth, primer type and other factors, you may not get near the FPS charted. The Oregon Trail 250-grain RNFP bullet should be seated with an overall cartridge length of 1.570 to 1.580 inches, depending on case length. When loaded in the Colt Single Action Army at around 850 fps, it is a most powerful everyday working load. sets maximum standards for cartridges; this standard must be set at a level safely usable in the weakest common denominator. (See note on NEW Nitro 100 powder at bottom of page). This database has 6400 loads for cast bullet loads. Jeff Bradley shows off the Modern Hunting Rifle (MHR) from Christensen Arms at SHOT Show 2023. This revolver is fitted with a new line-bored cylinder that is tightly chambered with .452-inch throats, a .003-inch barrel/cylinder gap and the forcing cone cut to 11 degrees. We were soon shooting 300-grain bullets at 1,200 fps from a 7.5-inch-barreled Ruger revolver. When time is a problem, actually when sometimes my own energy is the problem, I look to Oregon Trail Bullets. No purchase necessary. replacement barrels from the 1930s, each slugged between .451 and .4515 inch. All of the Keith-style bullets mentioned feed and chamber even though they have shoulders in front of the case. I certainly dont know of anything in the lower 48 that cannot be handled with this load. When the new 454 Magnum revolvers (as they were first called) arrived, however, the brass was lengthened so it could not be used in standard 45 Colt sixguns. I have found 5.0 grains of Clays under a 250-grain bullet delivers a very pleasant-shooting load at 725 fps and will group all its shots in 0.63 inch at 20 yards. They are my choice for everyday use and also for hunting larger, tougher game. The original Winchesters, whether chambered in .44 Rimfire or .44-40, all used cast bullets as jacketed bullets did not start appearing until the early part of the 20th century. Alaska Department of Fish & Game, State Agency: My loading dies are from Lee, Lyman, and RCBS, and all of them give excellent service. barrel differ from a 4 4/5 revolver by A check of Hodgdons loading manuals shows these two powders using the same charge weight produce the same velocities and pressures. Box 502795, San Diego, CA 92150-1377. Cast bullets in both plain-based and gas check versions are available from 260 grains to 325 grains. Also slugged were guns 121xxx (1887) and number 134xxx (1890) that measured .4515 inch and .451 inch, respectively. Today the throats of most Colt revolvers measure .457 to .458 inch, which is the same dimension used by Smith & Wesson during the late 1970s, Uberti and others. Marlins from the era have Micro-Groove rifling which may or may not work with cast bullets. Instead of being overly large, Rugers have been way too tight, with some measuring around 0.449 inch, but now Ruger is cutting all cylinder throats at 0.451 to 0.452 inch. Dropping down to 30 grains results in an easier-shooting 835 fps and a group of 1.13 inches. I seat and crimp just over the bullet radius. For loading black powder 45 Colt loads, I use Goex as well as Pyrodex and Triple Seven. Others are the New Model Blackhawks, the Bisley Model, the Redhawk, and the Super Redhawk. They often equal or surpass the accuracy from my carefully tailored hand-cast bullets. However, when using soft swaged-lead bullets, an expander ball around .002 inch smaller than bullet diameter is preferred. Connecticut Department of Energy & Environmental Protection, State Agency: Lyman now offers it as #452424, and it is a 255-grain bulletor thereabouts, depending upon the alloy used. In my opinion, throats that measure .452 inch are generally ideal with a variety of bullets. The standard groove diameter for the .45 Colt is .451 inch minimum and .452 inch maximum. When tactical lights first came out, we all thought the 50 lumens they offered was astounding and could never get better. Marlin and Winchester 1894s will both handle heavier-than-standard .45 Colt loads but 1860, 1866 and 1873 replicas are for standard loads only! In the large .45 case, a large difference has been noted in speeds. Sam Colt became a millionaire producing percussion revolvers. USE THIS DATA WITH ALLIANT BRAND POWDERS ONLY. In fact, an axiom with me is, When all else fails, try IMR 4227 before giving up. Years ago, after tiring of oversized 45 Colt chambers in Colt Single Action Army revolvers and New Frontiers, I started with a 357 Magnum New Frontier, had the cylinder rechambered properly and tightly to 45 Colt, and then had a new 4.75-inch Colt New Frontier barrel fitted. Even with their short barrels, they still carry nine rounds in the tubular magazine. A favorite pastime of many dedicated sixgunners is sitting around a campfire arguing the merits of their particular choice of caliber. For the 45 Colt, I especially prefer the 250-grain RNFP and the 255-grain SWC. Georgia Department of Natural Resources, State Agency: Giveaway prizes may have evidence of being test fired or exhibit minor handling marks. I would think that the load you are using would be safe. Federal Ammunition History: 14 Things You Didn't Know, SIG Sauer Custom Works P320 Spectre Comp Pistol: First Look, .224 Valkyrie Small Precision Rifle Cartridge: Everything You Need to Know, How to Choose the Best Scope Reticle for Your Application, SIG Sauer Announces New P320-XTEN 10mm Pistol, SIG Sauer P322 .22 Rimfire Pistol: Full Review, Non-Lethal Personal & Home Defense with Byrna, Range Tested: EAA Girsan Pistols & Shotguns, New for 2023: Christensen Arms Modern Hunting Rifle (MHR), New for 2023: All-American RIA 5.0 Sporting Pistol, New for 2023: FN Rush 9Ti Pistol Suppressor, New Big Bore Pistols for 2023: FN 510 Tactical and FN 545 Tactical, New for 2023: FN SCAR 15P Rifle Caliber Pistol, First Look: Taurus Raging Hunter 460 Magnum Revolver With 10.5-Inch Barrel, New-for-2023 Taurus Judge Executive Grade 410/.45 Colt Revolver, Smith & Wesson Equalizer and the Brand New M&P 5.7 Pistol. for Ruger Blackhawk and T/C, levels in the 20,000 to 25,000 range are But the 45 Colt is a survivor. (I) Giveaway ends April 30, 2023. Most manufacturers have recognized the need to offer revolvers with correct throat dimensions including Smith & Wesson, Ruger, Uberti, USFA and others, but not Colt. Deployed military should use stateside address. Elmer Keith was way ahead of his time in developing everyday working and hunting loads. We switch now from the use of PC (Powder Coated) bullets to cast bullets. Arkansas Game & Fish Commission, State Agency: So if one used 40 grains by weight of Pyrodex when the chart called for 40 grains of black powder, the result would be an overloaded charge. selected. A gun is like a parachute: If you need one and don't have one, you won't be needing one again. rifling. References: Accurate Arms Co. 1996 Reloading booklet Alliant Powder Co. Reloaders Guide (1995) Hodgdons Basic Reloaders Manual (1996) Speer Reloading Manual, #12 Winchester Reloading Components Manual, 14th edition Lyman Piston & Revolver Reloading Handbook, 2nd edition. When the Marlin and Winchester Trappers first arrived in the early '80s, the #1 45 Colt bullet was still Elmer Keith's #454424 weighing about 260 grains from my alloy. I shoot the .44 and .45 in rifles and pistolas, but I have only a rifle in .38-40. I have dozens of references from credible sources that state pre-World War II Colt revolvers feature a barrel groove diameter of .454 inch while postwar guns measure .451 to .452 inch. The .45 Colt is a grand cartridge that has survived because it is so good. Deployed military should use stateside address. Checked and verified, page 285, 4th Ed.Lyman cast bullet handbook. Just about all loads shot the same . Improving the Keith Bullet Keith's #454424 was an excellent bullet, however it has been improved by Dave Scovill and is offered by RCBS as #45-270SAA. For a heavier bullet with #4227 I use 22.0 grains with the 305-grain Lyman #454629 gas check at 1,315 fps while grouping in 5/8 for three shots. It is my most used powder both in cap-and-ball and cartridge-firing sixguns when black powder loads are desired. Winners will be notified by certified mail on official letterhead. The weight would more properly be closer to 32 grains. All entries must be received by giveaway end date. Bullseye, Unique and 2400 are products of Alliant (formerly Hercules) Powders. No purchase necessary. Oregon Trails 250-grain RNFP over 8.0 grains of W231 clocks out just under 1,100 fps with three-shot groups of 1" or less. The powder is Herco. Maine Department of Inland Fisheries & Wildlife, State Agency: : .451" Be Alert: Publisher cannot be responsible for errors in published load data. You can certainly use the Jacketed bullets fine, but dont look for incredible speeds. Use 10% UNDER any values you see here for N-100. This was achieved with 40 grains of black powder. In slugging the barrels of later pre-World War II guns with wider flat lands, serial numbers 347xxx (1924) and 355xxx (1936), along with two factory. 458 is a rifle bullet. Lyman now offers it as #452424, and it is a 255-grain bulletor thereabouts, depending upon the alloy used. The Colt Single Action Army, Colt New Frontier, Ruger New Model Flat-Top, Ruger New Vaquero, and Smith & Wesson Model 25/625 are all very close strength-wise.
