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Twist Rates Reference

Because our bullets are solid copper and do not have a lead core, it is imperative to pay attention to the required twist rate for our bullets. If you are used to shooting a 300gr lead core bullet, chances are, the bullet of ours that you will need to shoot will be much lighter. This is due to that fact that in order to get an equivalent weight as a lead core bullet, our bullets need to be much longer. This means the twist rate of your rifle will need to be faster in order to stabilize the longer bullet.

We have listed the required twist rate for each of our bullets under the “More Information” tab under each bullet. If your rifle has the listed twist rate or faster, you will be able to shoot that bullet. If it is slower, you WILL NOT be able to shoot that bullet. These listed twist rates are a REQUIREMENT to shoot said bullet, not a suggestion.

(Please note that the faster the twist rate, the lower the number. i.e., 1:10” is faster than 1:12”, 1:8” is faster than 1:10”, etc.)

If you do not know your rifles twist rate and it is a factory rifle, please take a look at the list below to see if your rifle is listed:

Factory Twist Rates

17 CCM - 1 in 10" . . . . . . . . . . .Cooper

17 Remington - 1 in 9" . . . . . . . .Remington 700, 7

17 Remington - 1 in 10" . . . . . . .Cooper; Sako; Thompson/Center Rifle and Carbine

17 Ackley Hornet - 1 in 10" . . . .Cooper

17 Mach IV - 1 in 10" . . . . . . . . .Cooper

22 CCM - 1 in 14" . . . . . . . . . . .Cooper

22 Hornet - 1 in 12" . . . . . . . . . .Thompson/Center Rifle and Carbine, NEA Handi-Rifle

22 Hornet - 1 in 14" . . . . . . . . . .Kimber 82; Savage 24 - V + F, 219, 340; Cooper; Ruger M-77

22 Hornet - 1 in 16" . . . . . . . . . . Winchester 70; Ruger 3; Browning A-Bolt II, 1885; Kimber; Anschutz 1432

22 K-Hornet - 1 in 12" . . . . . . . .Thompson/Center Rifle and Carbine

22 K-Hornet - 1 in 14" . . . . . . . .Cooper

218 Bee - 1 in 12" . . . . . . . . . . .Thompson/Center Carbine

218 Bee - 1 in 14" . . . . . . . . . . .Cooper

221 Fireball - 1 in 12" . . . . . . . . .Thompson/Center Carbine

221 Fireball - 1 in 14" . . . . . . . . .Cooper; Remington 700 Classic

219 Zipper - 1 in 14" . . . . . . . . .Marlin 336

222 Remington - 1 in 12" . . . . . .Thompson/Center Carbine and Rifle

222 Remington - 1 in 14" . . . . . .Browning; Remington 722, 725, 700, 600, 40 XB, 760, 788, 660; Savage 24-V, 340, 112, 2400; Sako; Winchester 70, 770; Wichita ; Colt; Husqvarna; Cooper

222 Remington - 1 in 16" . . . . . .J.C. Higgins 52, early Sako

22 PPC - 1 in 12" . . . . . . . . . . . .Thompson/Center Rifle

22 PPC - 1 in 14" . . . . . . . . . . . .Sako Benchrest-Varmint / PPC; Cooper

222 Rem. Magnum - 1 in 12" . . .Sako

222 Rem. Magnum - 1 in 14" . . .Browning; Remington 722, 700, 40-XB, Husqvarna, Sako

222 Rem. Magnum – 1 in 15.5" .Sako/1972

223 Remington - 1 in 7" . . . . . . .Colt; Ruger Mini-14; Eagle Arms Eagle Eye; H&K SL8

223 Remington - 1 in 8" . . . . . . .Eagle Arms Golden Eagle, Armalite

223 Remington - 1 in 9" . . . . . . .Colt; Win. 70 HBV; Savage 110, 112, 116; Steyr Aug-SA; Eagle Arms standard models; Savage; Winchester 70

223 Remington - 1 in 10" . . . . . .Ruger Mini-14 & #1

223 Remington - 1 in 12" . . . . . .Colt Bolt Action, AR-15; Remington 760, 700, 788, 7; H&R; Sako; Savage 340; Winchester 70; Thompson/Center Contender, Encore and Rifle; Ruger # 1, 77; NEA Handi-Rifle, Howa; CZ

223 Remington - 1 in 14" . . . . . .Remington 40-XB; Husqvarna; Savage 24-F+V, 340; Wichita ;Weatherby Vanguard; Cooper

224 Weatherby Mag. - 1 in 14" .Weatherby

225 Winchester - 1 in 14" . . . . . Winchester 70, 670; Savage 340, 24-F.

22-250 Remington - 1 in 12" . . .Sako; Savage 110, 112; Thompson/Center Rifle

22-250 Remington - 1 in 14" . . .Browning; Remington 700,788, 40-XB; Savage 99, 110, 112-V; H&R; Husqvarna; Ruger; Winchester 70, 770; Mossberg;Weatherby; Sako current models

220 Swift - 1 in 12" . . . . . . . . . . .Savage 112; Thompson/Center Rifle

220 Swift - 1 in 14" . . . . . . . . . . . Winchester 70; Remington 700; Ruger 77; FN; Savage 112-V 220 Weatherby Rocket - 1 in 14" .Weatherby

6 TCU - 1 in 10" . . . . . . . . . . . . .Thompson/Center Carbine and Rifle

6 x 45 - 1 in 12" . . . . . . . . . . . . .Cooper

6 PPC - 1 in 10" . . . . . . . . . . . . .Thompson/Center Rifle

6 PPC - 1 in 14" . . . . . . . . . . . . .Sako, Ruger VT

6 x 47 - 1 in 12" . . . . . . . . . . . . .Cooper

243 Winchester - 1 in 9" . . . . . . .Remington 660, 700, 788 (1969);

243 Winchester - 1 in 9 1/8" . . .Remington 700, 7400, 7600, 7;

243 Winchester - 1 in 9 1/4" . . .Savage (present)

243 Winchester - 1 in 10" Browning; Colt; FN; Harrington and Richardson models 300, 308, 360; Husqvarna; Mannlicher Schoenauer; Musketeer; Mossberg 800; Remington 700, 40-XB; Savage 99, 110, 111, 112-V, 116 (old); Sako Bolt and Lever Actions; Schultz and Larsen; Stevens 110; Winchester 70, 88,100,670,770; J.C. Higgins 51-L; Ruger 1, 77; Wichita ;Weatherby Vanguard; Thompson/Center Rifle

243 Winchester - 1 in 12" . . . . .Steyr SSG-PII

244 Remington - 1 in 10" . . . . . .Remington 700

244 Remington - 1 in 12" . . . . . .Remington 722, 760, 740, 725, 40-XB; Sako

6mm Remington - 1 in 9" . . . . . .Remington 600, 700, 742, 760, 660; Browning B-78; Ruger

6mm Remington - 1 in 9" . . . . . .Remington 700, 4, 6, 7, 7400,7600

6mm Remington - 1 in 10" . . . . .Remington 40-XB; Schultz and Larsen; Ruger 1, 77; Browning

6mm International - 1 in 12" . . .Remington 40-XB

6 x 47mm - 1 in 12" . . . . . . . . . .Remington 40-XB

6 x 47mm - 1 in 14" . . . . . . . . . .Remington 40-XBBR

6mm Remington BR - 1 in 14" .Remington 40-XBBR

240 Weatherby - 1 in 9 1/2" . . . .Weatherby Mark V

256 Winchester - 1 in 10" . . . . .Thompson/Center Carbine

256 Winchester - 1 in 14" . . . . .Marlin 62

25-35 Winchester - 1 in 10" . . . . .Thompson/Center Carbine, Winchester Model 94

25 TCU (25 Ugalde) - 1 in 10" . .Thompson/Center Carbine and Rifle

250 Savage - 1 in 9 1/2" . . . . . .Weatherby

250 Savage - 1 in 10" . . . . . . . .Savage 99, 110; Remington 700; Ruger 77

257 Roberts - 1 in 9 1/2" . . . . . .Browning A-Bolt II

257 Roberts - 1 in 10" . . . . . . . .Remington 722, 760, 700; Winchester 70; Ruger 77; Thompson/Center Rifle

25/06 Remington - 1 in 10" . . . .Remington 700, 40-XB; Ruger 1, 77; Browning; Sako; Winchester 70; Savage 110, 112; Thompson/Center Rifle

257 Weatherby Mag. - 1 in 9 1/2" .Weatherby (current)

257 Weatherby Mag. - 1 in 12" .Weatherby (old)

257 Weatherby Mag. - 1 in 14" .Mannlicher-Schoenauer

6.5 TCU - 1 in 8" . . . . . . . . . . . .Thompson/Center Carbine and Rifle

6.5 M-Schoenauer - 1 in 8 1/4" Mannlicher-Schoenauer

260 Remington – 1 in 8" . . . . . .Ruger 77

260 Remington - 1 in 9" . . . . . . .Remington 700, Savage

260 Remington – 1 in 10" . . . . .Browning

6.5 x 55mm - 1 in 7.87" . . . . . . . Winchester 70

6.5 x 55mm - 1 in 8" . . . . . . . . . .Husqvarna; Remington 700 (1994); Thompson/Center Rifle, Ruger 77

6.5 x 55mm - 1 in 8 1/4" . . . . . .Schultz & Larsen

6.5 x 55mm - 1 in 9" . . . . . . . . . .Remington 40-XB

6.5 Remington Magnum - 1 in 9" Remington 600, 660, 700; Ruger 77

6.5 x 68mm - 1 in 11" . . . . . . . . .Mannlicher-Schoenauer

264 Winchester Magnum - 1 in 8" Thompson/Center Rifle

264 Winchester Magnum - 1 in 9" Browning; FN; Husqvarna; Musketeer; Remington 700; Savage 110; Sako; Schultz & Larsen; Winchester 70, 670, 770

264 Winchester Magnum - 1 in 10" .Colt; Mannlicher-Schoenauer

270 REN - 1 in 10" . . . . . . . . . . .Thompson/Center Carbine

270 Winchester - 1 in 9" . . . . . . .Mannlicher-Schoenauer

270 Winchester - 1 in 9 1/2" . . .Husqvarna

270 Winchester - 1 in 10" . . . . .Browning; FN; Harrington & Richardson 300; High-Standard; J.C. Higgins 50, 51, 51-L; Husqvarna; Musketeer; Remington 700, 721, 760, 725, 7400, 7600, 4, 6; Savage 110, 114, 116; Sako; Schultz & Larsen; Winchester 70, 670, 770; Ruger 1, 77;  Mossberg; Marlin 455; Wichita ;Weatherby Mark V, Vanguard; Magnum Research Mountain Eagle, (Sako-Krieger-Bell and Carson ); Thompson/Center Rifle

270 WSM - 1 in 10" . . . . . . . . . . Winchester 70, Browning

270 Weatherby Mag. - 1 in 9 1/2" .Weatherby Mark V

270 Weatherby Mag. - 1 in 10" .Weatherby Vanguard; Browning BAR Mark II; Winchester

270 Weatherby Mag. - 1 in 12" .Weatherby (old)

7 TCU - 1 in 9" . . . . . . . . . . . . . .Thompson/Center Rifle and Carbine

7 x 30 Waters - 1 in 9" . . . . . . . .Thompson/Center Carbine

7 x 30 Waters - 1 in 9 1/2" . . . . . Winchester 94

7mm-08 Remington - 1 in 9" . . .Thompson/Center Rifle

7mm-08 Remington - 1 in 9 1/2" Browning 81, BLR, A-Bolt II; Sako; Savage (present)

7mm-08 Remington - 1 in 10" . .Remington 7, 788, 700; Winchester 70; Savage 110

7 x 64mm Brenneke - 1 in 9" . . .Thompson/Center Rifle

7 x 57mm - 1 in 8" . . . . . . . . . . .Ruger (present)

7 x 57mm - 1 in 8 1/2" . . . . . . . . Winchester 70 (post 64)

7 x 57mm - 1 in 8.7" . . . . . . . . . .FN

7 x 57mm - 1 in 8 3/4" . . . . . . . . Winchester 54, 70 (pre ‘64); Ruger 77

7 x 57mm - 1 in 9" . . . . . . . . . . .Mannlicher-Schoenauer; Thompson/Center Rifle

7 x 57mm - 1 in 9 1/4" . . . . . . . .Remington 700

7 x 57mm - 1 in 9 1/2" . . . . . . . .Ruger 1, 77 (old); Savage 110

7 x 57mm - 1 in 10" . . . . . . . . . . Winchester 70

7mm Express - 1 in 9 1/4" . . . . .Remington 700, 4, 7400.

280 Remington - 1 in 9" . . . . . .Magnum Research Mountain Eagle; Thompson/Center Rifle

280 Remington - 1 in 9 1/4" . . . .Remington 760, 740, 742, 700, 721, 725, 7400, 7600

280 Remington - 1 in 9 1/2" . . . .Ruger 77 (old); Savage 110; Ruger (present)

280 Remington - 1 in 10" . . . . . . Winchester 70; Browning A-Bolt II; Sako

284 Winchester – 1 in 8 3/4" . . .Ruger 77

284 Winchester - 1 in 10" . . . . .Browning A-Bolt, 81 BLR; Savage 99; Winchester 88, 100

7mm SAUM - 1 in 9 1/4" . . . . . .Remington Model Seven

7mm WSM - 1 in 9 1/2" . . . . . . . Winchester 70, Browning

7mm RUM - 1 in 9 1/4" . . . . . . .Remington 700

7 x 61 Sharpe & Hart - 1 in 10" .Schultz & Larsen

7mm Dakota - 1x10" . . . . . . . . .Dakota Arms

7mm Remington Magnum - 1 in 9" Husqvarna; Remington 40-XB, 700 (1969); Magnum Research Mountain Eagle; Thompson/Center Rifle

7mm Remington Mag. - 1 in 9 1/4" Remington 700

7mm Remington Mag. - 1 in 9 1/4" Savage 110, 111, 112, 114, 116; Sako; Winchester 70, 770; Ruger 1, 77 (old); Mossberg; Browning A-Bolt II, 81 BLR; Weatherby Mark V 7mm Remington Mag. - 1 in 9 1/2" Ruger (present); Savage (present) 7mm Remington Mag. - 1 in 10" .Browning; FN; Harrington & Richardson 300; Musketeer; Schultz & Larsen; Browning BAR Mark II;Weatherby Vanguard

7mm Weatherby Mag. - 1 in 9 1/4" .Remington 700

7mm Weatherby Mag. - 1 in 9 1/2" .Weatherby Mark V (present)

7mm Weatherby Mag. - 1 in 10" Weatherby (1965)

7mm Weatherby Mag. - 1 in 12" Weatherby (old)

7mm STW – 1 in 9" . . . . . . . . . .Remington 700, Winchester 70

7mm STW – 1 in 9 1/2" . . . . . . .Ruger 1; Savage

30 M1 Carbine - 1 in 10" . . . . . .Thompson/Center Carbine

30 M1 Carbine - 1 in 16" . . . . . ..30 U.S. Govt. Carbine; Universal

30 M1 Carbine - 1 in 20" . . . . . .Marlin 62; Ruger

7.62 x 39mm - 1 in 10" . . . . . . .Thompson/Center Rifle

7.62 x 39mm - 1 in 12" . . . . . . .Colt; Ruger

30 Herrett - 1 in 10" . . . . . . . . . .Thompson/Center Carbine

30-30 Winchester - 1 in 10" . . . .Marlin 336; Remington 788; Thompson/Center Carbine

30-30 Winchester - 1 in 12" . . . .Savage 24, 170, 340, 219; Winchester 64, 94, 66; Mossberg 479, 679

30 Remington - 1 in 12" . . . . . . .Remington 81, 141

300 Savage - 1 in 10" . . . . . . . .Remington 81, 722, 760; Savage 110

300 Savage - 1 in 12" . . . . . . . .Savage 99

30-40 Krag - 1 in 10" . . . . . . . . .Ruger 3, Winchester 95

307 Winchester - 1 in 12" . . . . . Winchester 94

308 Winchester - 1 in 10" . . . . .Colt; J.C. Higgins 51-L; Mannlicher Schoenauer; Marlin 455; Musketeer; Remington 722, 740, 742, 760, 700, 40-XB, 788, 660, 600, 7400, 7600, Four, Six, Seven; Schultz & Larsen; Ruger 77; Wichita . Savage 99, 110, 112, 116 (present);Weatherby Vanguard;  Steyr SSG-PIV; Thompson/Center Rifle

308 Winchester - 1 in 12" . . . . .Browning 81 BLR, BAR Mark II, A-Bolt II; Colt; FN; High Standard; J.C. Higgins 50, 51, 51-L; Harrington & Richardson 300, 308; Husqvarna; Mossberg 800; Savage 99, 100, 110, 2400; Sako Bolt Action and Lever Action; Winchester 70, 88, 670, 770; Steyr  SSG-PI, PII, PIII; Stevens 110; 100, Remington 700, 40-XC.; Springfield Armory M1A

30-06 - 1 in 10" . . . . . . . . . . . . . .Browning 81 BLR, BAR Mark II, A-Bolt II; Colt, FN; High Standard; J.C. Higgins 50, 51, 51-L; Harrington & Richardson 300; Mannlicher Schoenauer; Marlin; Musketeer; Remington 721, 760, 740, 742, 725, 700, 40-XB, 7400, 7600; Savage 110, 114, 116  (present); Sako; Schultz & Larsen; Stevens 110; Winchester 70, 670, 770;Weatherby Vanguard, Mark V; Ruger 1, 77: Wichita ; Mossberg; Magnum Research Mountain Eagle; Thompson/Center Rifle

30-06 - 1 in 12" . . . . . . . . . . . . . .Husqvarna; Remington 700 Varmint (old); Browning 78.

300 H & H Magnum - 1 in 10" . .Browning; Remington 721; Sako; Winchester 70

300 WSM - 1 in 10" . . . . . . . . . . Winchester 70, Browning; Savage

300 SAUM -1 in 10" . . . . . . . . . .Remington Model Seven

308 Norma Magnum - 1 in 10" .Musketeer; Schultz & Larsen

308 Norma Magnum - 1 in 12" .Browning; Husqvarna

30-338 - 1 in 10" . . . . . . . . . . . . .Remington 40-XB

300 Winchester Mag. - 1 in 10" .Browning BAR Mark II, A-Bolt II; FN; Harrington & Richardson 300; Musketeer; Remington 700, 40-XB; Savage 110, 112, 114, 116; Sako; Winchester 70, 670, 770; Ruger 1,77; Magnum Research Mountain Eagle; Wichita ;Weatherby Mark V, Vanguard (new);  Thompson/Center Rifle

300 Winchester Magnum - 1 in 12" Husqvarna

300 Weatherby Mag. - 1 in 9 1/2" .Weatherby Mark V (current)

300 Weatherby Mag. - 1 in 10" .Weatherby Vanguard (current); Sako; Winchester 70; Remington 700

300 Weatherby Mag. - 1 in 12" .Weatherby (old); Remington 700 (current)

300 RUM - 1 in 10" . . . . . . . . . .Remington 700; Savage

30-378 Weatherby – 1 in 10" . . .Weatherby Mark V

300 Dakota - 1 in 10" . . . . . . . . .Dakota Arms

32 H&R Magnum - 1 in 10" . . . .Thompson/Center Carbine

32-20 Winchester - 1 in 10" . . . .Thompson/Center Carbine

32-40 Winchester - 1 in 16" . . . .Thompson/Center Rifle

32 Remington - 1 in 14" . . . . . . .Remington 81, 141

32 Winchester Special - 1 in 16" .Marlin 336; Winchester 64, 94

8 x 68S - 1 in 11" . . . . . . . . . . . .Mannlicher-Schoenauer 8mm Remington Magnum - 1 in 10" .Remington 700

330 Dakota - 1 in 10" . . . . . . . . .Dakota Arms

338 Winchester Magnum - 1 in 10" Weatherby Mark V; Mannlicher-Schoenauer; Savage 110, 116; Winchester 70; Ruger 77; Sako (current), Mossberg; Remington 700; Weatherby; Vanguard; Browning A-Bolt II; Magnum; Research Mountain Eagle; Thompson/Center; Rifle

338 Winchester Magnum - 1 in 12" Browning BAR Mark II; Sako (old)

340 Weatherby Magnum - 1 in 10" Weatherby Mark V

338 Lapua Magnum – 1 x 10" . .Sako TRGS

338 Lapua Magnum – 1 x 12" . .Sako TRG42

338-378 Weatherby – 1 x 10" . .Weatherby Mark V

338-06 A-Square – 1 x 10" . . . .Weatherby Mark V

338 RUM - 1 in 10" . . . . . . . . . .Remington 700

348 Winchester - 1 in 12" . . . . . Winchester 71

9mm Luger - 1 in 10" . . . . . . . . .Colt; Marlin 9; Uzi Carbine

9mm Luger - 1 in 14" . . . . . . . . .Thompson/Center Carbine

357 Magnum - 1 in 14" . . . . . . .Thompson/Center Carbine

357 Magnum - 1 in 16" . . . . . . .Marlin 1894; Navy Arms RB

357 Rem. Maximum - 1 in 14" . .Thompson/Center Carbine

35 Herrett - 1 in 14" . . . . . . . . . .Thompson/Center Carbine

35 Remington - 1 in 12" . . . . . . .Savage 170

35 Remington - 1 in 14" . . . . . . .Thompson/Center Carbine

356 Winchester - 1 in 12" . . . . . Winchester 94

35 Remington - 1 in 16" . . . . . . .Marlin 336; Remington 81, 141, 600, 760

38-55 Winchester - 1 in 12" . . . .Thompson/Center Carbine and Rifle

38-55 Winchester - 1 in 18" . . . .Ruger; Marlin 336 Cowboy

356 Winchester - 1 in 12" . . . . . Winchester 94

358 Winchester - 1 in 10" . . . . .Mannlicher-Schoenauer

358 Winchester - 1 in 12" . . . . .Savage 99; Schultz & Larsen; Winchester 70, 88, 100

358 Winchester - 1 in 16" . . . . .Ruger

35 Whelen - 1 in 14" . . . . . . . . .Thompson/Center Rifle

35 Whelen - 1 in 16" . . . . . . . . .Remington 700, 7400, 7600; Ruger

350 Remington Magnum - 1 in 16" Remington 600, 660, 700; Ruger 77

358 Norma Magnum - 1 in 12" .Husqvarna; Schultz & Larsen

375 Winchester - 1 in 12" . . . . . Winchester 94; Marlin 375; Savage 99; Ruger; Thompson/Center Carbine and Rifle 375 H&H Magnum - 1 in 12" . . .Remington 700; Winchester 70; Ruger; Sako; Browning A-Bolt II;Weatherby Mark V; Remington 700 Custom; Thompson/Center Rifle;  Savage

375 H&H Magnum - 1 in 14" . . .Browning (old)

375 Weatherby Magnum - 1 in 12" Weatherby

375 RUM - 1 in 12" . . . . . . . . . .Remington 700

375 Dakota - 1 in 12" . . . . . . . . .Dakota Arms

378 Weatherby Magnum - 1 in 12" Weatherby Mark V

40 Smith & Wesson - 1 in 16" . .Thompson/Center Carbine

10mm Auto - 1 in 16" . . . . . . . . .Thompson/Center Carbine

404 Dakota - 1 in 14" . . . . . . . . .Dakota Arms

41 Magnum - 1 in 18 1/2" . . . . .Marlin 1894

416 Remington Magnum - 1 in 14" Remington 700; Winchester 70; Sako; Thompson/Center Rifle

416 Remington Mag. - 1 in 16 1/2" Ruger

416 Dakota - 1- 14" . . . . . . . . . .Dakota Arms

425 Express - 1 in 10" . . . . . . . .Savage 116 SE

44 Magnum - 1 in 20" . . . . . . . .Thompson/Center Carbine

44 Magnum - 1 in 38" . . . . . . . .Ruger Carbine; Marlin 336, 1894; Remington788; Winchester 94; Browning 92

444 Marlin - 1 in 38" . . . . . . . . . .Marlin 336; 444S

450 Marlin – 1 x 20" . . . . . . . . . .Marlin 1895M

45 ACP - 1 in 16" . . . . . . . . . . . .Marlin 45

45 Long Colt - 1 in 16" . . . . . . . .Thompson/Center Carbine

45 Long Colt - 1 in 38" . . . . . . . . Winchester 94

45 Winchester Mag. - 1 in 16" . .Thompson/Center Carbine

45-70 - 1 in 14" . . . . . . . . . . . . . .Thompson/Center Carbine

45-70 - 1 in 20" . . . . . . . . . . . . . .Ruger 1, 3; Marlin 1895S; Browning B-7, 1885; Thompson/Center Rifle

45-70 - 1 in 22" . . . . . . . . . . . . . .Navy Arms

450 Dakota - 1 in 14" . . . . . . . . .Dakota Arms

458 Winchester Magnum - 1 in 14" . .Remington 700; Winchester 70; Ruger 1; Savage

458 Winchester Magnum - 1 in 15" . .Mannlicher-Schoenauer

458 Winchester Mag. - 1 in 16 1/2" . .Browning; Savage 116SE

458 Winchester Magnum - 1 in 18" . .Sako

460 Weatherby Magnum - 1 in 16" . .Weatherby Mark V