The Reference Section

Twist Rates by Cartridge/Manufacturer

(if you know of others, please forward them to me)

Cartridge Twist Rate Manufacturer
10mm Auto  1 in 15 3/4" Glock
10mm Auto  1 in 16" Colt, IAI/AMT, Smith & Wesson, Springfield Armory
10mm Auto  1 in 16" Thompson/Center
10mm Auto  1 in 16" Thompson/Center Carbine
17 Ackley Hornet  1 in 10" Cooper
17 CCM  1 in 10" Cooper
17 Mach IV  1 in 10" Thompson/Center
17 Mach IV  1 in 10" Cooper
17 Remington  1 in 10" Thompson/Center
17 Remington  1 in 9" Remington 700, 7
17 Remington  1 in 10" Cooper, Sako, Thompson/Center Rifle and Carbine
218 Bee  1 in 12" Thompson/Center
218 Bee  1 in 12" Thompson/Center Carbine
218 Bee  1 in 14" Cooper
219 Zipper  1 in 14" Marlin 336
22 CCM  1 in 14" Cooper
22 Hornet  1 in 10" MOA
22 Hornet  1 in 12" Thompson/Center, current
22 Hornet  1 in 14" Thompson/Center
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, current
22 K Hornet  1 in 14" Thompson/Center
22 K Hornet  1 in 12" Thompson/Center Rifle and Carbine
22 K Hornet  1 in 14" Cooper
22 PPC  1 in 10" MOA
22 PPC  1 in 12" Thompson/Center Rifle
22 PPC  1 in 14" Sako Benchrest-Varmint/PPC, Cooper
22 Remington Jet  1 in 15" Smith & Wesson
22 Remington Jet  1 in 12" Thompson/Center, current
22 Remington Jet  1 in 14" Thompson/Center
22-250 Remington  1 in 10" MOA
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
221 Fireball  1 in 12" Thompson/Center, current, Remington
221 Fireball  1 in 14" Thompson Center
221 Fireball  1 in 12" Thompson/Center Carbine
221 Fireball  1 in 14" Cooper, Remington 700 Classic
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 Sako/1972
222 Rem Magnum  1 in 12" Thompson/Center
222 Remington  1 in 12" Thompson/Center, current
222 Remington  1 in 14" Thompson/Center
222 Remington  1 in 12" Thompson/Center Carbine and Rifle
222 Remington  1 in 14" Browning, Remington 722, 725, 700, 600, 40XB, 760, 788, 660, Savage 24-V, 340, 112,2400, Sako, Winchester 70, 770, Wichita, Colt,Husqvarna, Cooper
222 Remington  1 in 16" JC Higgins 52, early Sako
223 Remington  1 in 10" MOA
223 Remington  1 in 12" Thompson/Center, Remington
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" 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 Magnum 1 in 14" Weatherby
225 Winchester  1 in 14" Winchester 70, 670, Savage 340, 24-F
240 Weatherby  1 in 9 1/2" Weatherby Mark V
243 Winchester  1 in 9" MOA
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, JC 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
25 Auto (ACP)  1 in 10" Beretta
25 Auto (ACP)  1 in 16" Colt, Bauer, Sterling
25 TCU (25 Ugalde)  1 in 10" Thompson/Center Carbine and Rifle
25-06 Remington  1 in 10" Remington 700, 40-XB, Ruger 1, 77, Browning, Sako, Winchester 70, Savage 110, 112, Thompson/Center Rifle
25/20 Winchester  1 in 10" Thompson/Center
25/35 Winchester  1 in 9" Thompson/Center
25/35 Winchester  1 in 10" Thompson/Center, current
25/35 Winchester  1 in 10" Thompson/Center Carbine, Winchester Model 94
250 Savage  1 in 10" MOA
250 Savage  1 in 9 1/2" Weatherby
250 Savage  1 in 10" Savage 99, 110, Remington 700, Ruger 77
256 Winchester  1 in 14" Ruger
256 Winchester  1 in 8" Merrill
256 Winchester  1 in 10" Thompson/Center, current
256 Winchester  1 in 14" Thompson/Center
256 Winchester  1 in 10" Thompson/Center Carbine
256 Winchester  1 in 14" Marlin 62
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
257 TCU (25 Ugalde)  1 in 10" Thompson/Center
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
260 Remington  1 in 8" Ruger 77
260 Remington  1 in 9" Remington 700, Savage
260 Remington  1 in 10" Browning
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 Maximum  1 in 10" MOA
270 REN  1 in 8" RPM
270 REN  1 in 10" Thompson/Center
270 REN  1 in 10" Thompson/Center Carbine
270 Weatherby Magnum 1 in 9 1/2" Weatherby Mark V
270 Weatherby Magnum 1 in 10" Weatherby Vanguard, Browning BAR Mark II, Winchester
270 Weatherby Magnum 1 in 12" Weatherby (old)
270 Winchester  1 in 10" MOA
270 Winchester  1 in 9" Mannlicher-Schoenauer
270 Winchester  1 in 9 1/2" Husqvarna
270 Winchester  1 in 10" 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
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
30 BR  1 in 10" MOA
30 Carbine  1 in 10" IAI /AMT
30 Carbine  1 in 20" Ruger
30 Carbine  1 in 10" MOA, Thompson/Center, current
30 Carbine  1 in 12" Thompson/Center
30 Carbine  1 in 20" Thompson/Center
30 Herrett  1 in 10" RPM, Merrill, MOA, Thompson/Center, current
30 Herrett  1 in 14" Thompson/Center
30 Herrett  1 in 10" Thompson/Center Carbine
30 M1 Carbine  1 in 10" Thompson/Center Carbine
30 M1 Carbine  1 in 16" Carbine, Universal
30 M1 Carbine  1 in 20" Marlin 62, Ruger
30 Merrill  1 in 10" Merrill
30 Remington  1 in 12" Remington 81, 141
30 x 20  1 in 10" MOA
30 x 39  1 in 10" MOA
30-06  1 in 10" 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
30/30 Winchester  1 in 10" Thompson/Center, Wichita, RPM, Merrill, MOA
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
30-338  1 in 10" Remington 40-XB
30-378 Weatherby  1 in 10" Weatherby Mark V
30-40 Krag  1 in 10" Ruger 3, Winchester 95
300 Dakota  1 in 10" Dakota Arms
300 H & H Magnum  1 in 10" Browning, Remington 721, Sako, Winchester 70
300 RUM  1 in 10" Remington 700, Savage
300 SAUM  1 in 10" Remington Model Seven
300 Savage  1 in 10" Remington 81, 722, 760, Savage 110
300 Savage  1 in 12" Savage 99
300 Weatherby Magnum 1 in 9 1/2" Weatherby Mark V (current)
300 Weatherby Magnum 1 in 10" Weatherby Vanguard (current), Sako,Winchester 70, Remington 700
300 Weatherby Magnum  1 in 12" Weatherby (old), Remington 700 (current)
300 Whisper  1 in 10" Thompson/Center
300 Winchester Magnum 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 WSM  1 in 10" Winchester 70, Browning, Savage
307 Winchester  1 in 12" Winchester 94
308 Norma Magnum  1 in 10" Musketeer, Schultz & Larsen
308 Norma Magnum  1 in 12" Browning, Husqvarna
308 Winchester  1 in 10" Pachmayr, Wichita, MOA
308 Winchester  1 in 10" Savage 99, 110, 112, 116 (present), Weatherby Vanguard, Steyr SSG-PIV, Thompson/Center Rifle
308 Winchester  1 in 12" , Springfield Armory M1A
32 Auto  1 in 16" Walther, Mauser
32 Auto  1 in 18 3/4" Mauser
32 Colt New Police  1 in 14" Colt
32 H&R Magnum  1 in 16" Ruger
32 H&R Magnum  1 in 18 3/4" Dan Wesson, Smith & Wesson
32 H&R Magnum  1 in 10" Thompson/Center, RPM
32 H&R Magnum  1 in 14" Wichita
32 H&R Magnum  1 in 10" Thompson/Center Carbine
32 Remington  1 in 14" Remington 81, 141
32 S&W Long  1 in 17" Charter Arms
32 S&W Long  1 in 18 3/4" Smith & Wesson
32 Winchester Special  1 in 16" Marlin 336, Winchester 64, 94
32-20 Winchester  1 in 10" Thompson/Center, RPM, BF
32-20 Winchester  1 in 10" Thompson/Center Carbine
32-40 Winchester  1 in 16" Thompson/Center Rifle
330 Dakota  1 in 10" Dakota Arms
338 Lapua Magnum  1 x 10" Sako TRGS
338 Lapua Magnum  1 x 12" Sako TRG42
338 RUM  1 in 10" Remington 700
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)
338-06 ASquare  1 in 10" Weatherby Mark V
338-378 Weatherby  1 x 10" Weatherby Mark V
340 Weatherby Magnum  1 in 10" Weatherby Mark V
348 Winchester  1 in 12" Winchester 71
35 Herrett  1 in 14" Thompson/Center Carbine
35 Remington  1 in 14" Thompson/Center, current
35 Remington  1 in 16" Thompson/Center
35 Remington  1 in 12" Savage 170
35 Remington  1 in 14" Thompson/Center Carbine
35 Remington  1 in 16" Marlin 336, Remington 81, 141, 600, 760
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
356 Winchester  1 in 12" Winchester 94
357 Herrett  1 in 14" Thompson/Center, current, RPM, Merrill
357 Herrett  1 in 16" Thompson/Center
357 Magnum  1 in 14" Colt, Dan Wesson ( 10”,12”, 15” barrels only),Magnum Research Desert Eagle, Freedom Arms
357 Magnum  1 in 16" Ruger SA’s
357 Magnum  1 in 17" Charter Arms
357 Magnum  1 in 18 3/4" Smith & Wesson, Dan Wesson, Ruger DA’s,Taurus, High Standard
357 Magnum  1 in 12" MOA
357 Magnum  1 in 14" Thompson/Center, RPM, Merrill
357 Magnum  1 in 16" Thompson/Center, Navy Arms RB
357 Magnum  1 in 18" Thompson/Contender, Mossberg Abilene
357 Magnum  1 in 14" Thompson/Center Carbine
357 Magnum  1 in 16" Marlin 1894, Navy Arms RB
357 Maximum  1 in 16" Ruger
357 Maximum  1 in 18 3/4" Dan Wesson
357 Maximum  1 in 12" MOA
357 Maximum  1 in 14" Thompson/Center, RPM
357 Maximum  1 in 16" Wichita
357 Maximum  1 in 14" Thompson/Center Carbine
357/44 Bain & Davis  1 in 14" Merrill, Thompson/Center
358 Norma Magnum  1 in 12" Husqvarna, Schultz & Larsen
358 Winchester  1 in 12" MOA
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
375 Dakota  1 in 12" Dakota Arms
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 RUM  1 in 12" Remington 700
375 Super Mag  1 in 18 3/4" Dan Wesson
375 Weatherby Magnum  1 in 12" Weatherby
375 Winchester  1 in 12" Merrill, Thompson/Center
375 Winchester  1 in 12" Winchester 94, Marlin 375, Savage 99, Ruger, Thompson/Center Carbine and Rifle
378 Weatherby Magnum  1 in 12" Weatherby Mark V
38 S&W  1 in 18 3/4" Smith & Wesson
38 Special  1 in 14" Colt
38 Special  1 in 16" Ruger SA’s
38 Special  1 in 17" Charter Arms
38 Special  1 in 18 3/4" Smith & Wesson, Dan Wesson, Ruger DA’s, Taurus
38 Special  1 in 14" Merrill, Thompson/Center
38 Super  1 in 9.84" Sig-Sauer
38 Super  1 in 14" Springfield Armory
38 Super  1 in 16" Colt
38-40 Winchester  1 in 16" Colt SAA
38-40 Winchester  1 in 16" Thompson/Center
38-55 Winchester  1 in 12" Thompson/Center
38-55 Winchester  1 in 12" Thompson/Center Carbine and Rifle
38-55 Winchester  1 in 18" Ruger, Marlin 336 Cowboy
380 Auto (ACP)  1 in 9.84" Sig-Sauer, Taurus
380 Auto (ACP)  1 in 16" Colt, AMT,Walther
40 Smith & Wesson  1 in 15 3/4" Glock
40 Smith & Wesson  1 in 10" Ruger
40 Smith & Wesson  1 in 16" Colt, Magnum Research Baby Eagle,Smith & Wesson
40 Smith & Wesson  1 in 16" Thompson/Center
40 Smith & Wesson  1 in 16" Thompson/Center Carbine
404 Dakota  1 in 14" Dakota Arms
41 Action Express  1 in 13 3/4" Taurus
41 Action Express  1 in 18" Magnum Research Baby Eagle
41 Action Express  1 in 16" Bar-Sto
41 Magnum  1 in 18" Magnum Research Desert Eagle
41 Magnum  1 in 18 3/4" Smith & Wesson, Dan Wesson
41 Magnum  1 in 20" Ruger
41 Magnum  1 in 14" RPM
41 Magnum  1 in 18 3/4" Merrill
41 Magnum  1 in 20" Thompson/Center
41 Magnum  1 in 18 1/2" Marlin 1894
416 Dakota  1 in 14" Dakota Arms
416 Remington Magnum 1 in 16 1/2" Ruger
416 Remington Magnum  1 in 14" Remington 700, Winchester 70, Sako,Thompson/Center Rifle
425 Express  1 in 10" Savage 116 SE
44 Auto Magnum 1 in 18" Auto Mag
44 Magnum  1 in 18" Magnum Research Desert Eagle
44 Magnum  1 in 18 3/4" Dan Wesson
44 Magnum  1 in 20" Colt, Smith & Wesson, Dan Wesson, Ruger,Freedom Arms
44 Magnum  1 in 14" MOA
44 Magnum  1 in 18" RPM, Merrill
44 Magnum  1 in 20" Thompson/Center, current, Mossberg Abilene, Freedom Arms
44 Magnum  1 in 22" Thompson/Center
44 Magnum  1 in 20" Thompson/Center Carbine
44 Magnum  1 in 38" Ruger Carbine, Marlin 336, 1894,Remington788, Winchester 94, Browning 92
44 Special  1 in 16" Colt
44 Special  1 in 18" Charter Arms
44 Special  1 in 20" Colt SAA, Smith & Wesson
44/40 Winchester  1 in 20" Colt SAA
444 Marlin  1 in 38" Marlin 336, 444S
445 Super Magnum 1 in 18 3/4" Dan Wesson
445 Super Magnum 1 in 20" Thompson/Center
45 Auto (ACP)  1 in 16" Marlin 45, Thompson/Center, Wichita
45 Auto (ACP)  1 in 15 3/4" Glock
45 Auto (ACP)  1 in 15" Smith & Wesson, Sig-Sauer
45 Auto (ACP)  1 in 16" Colt, Springfield Armory
45 Auto (ACP)  1 in 18" Springfield Armory (Omega only)
45 Auto (ACP)  1 in 24" Freedom Arms
45 Auto Rim  1 in 15" Smith & Wesson
45 Long Colt  1 in 16" Colt SAA and Anaconda, Ruger,Smith & Wesson
45 Long Colt  1 in 20" Smith & Wesson
45 Long Colt  1 in 24" Ruger, Freedom Arms
45 Long Colt  1 in 16" Thompson/Center, current, Mossberg Abilene
45 Long Colt  1 in 24" Thompson/Center, Freedom Arms
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 Winchester Magnum  1 in 10" Wildey
45 Winchester Magnum  1 in 24" Freedom Arms
45 Winchester Magnum  1 in 16" Thompson/Center
45/70 Government 1 in 14" Thompson/Center Carbine
45/70 Government 1 in 20" Ruger 1, 3, Marlin 1895S, Browning B-7, 1885,Thompson/Center Rifle
45/70 Government 1 in 22" Navy Arms
45/70 Government  1 in 14" Thompson/Center Contender
450 Dakota  1 in 14" Dakota Arms
450 Marlin  1 in 20" Marlin 1895M
454 Casull  1 in 24" Freedom Arms, Ruger, Taurus
454 Casull  1 in 14" MOA
454 Casull  1 in 24" Freedom Arms
458 Winchester Magnum 1 in 16 1/2" Browning, Savage 116SE
458 Winchester Magnum  1 in 14" Remington 700, Winchester 70, Ruger 1, Savage
458 Winchester Magnum  1 in 15" Mannlicher-Schoenauer
458 Winchester Magnum  1 in 18" Sako
460 Weatherby Magnum  1 in 16" Weatherby Mark V
475 Linebaugh  1 in 18" Freedom Arms, Linebaughs
480 Ruger  1 in 18" Ruger
50 AE  1 in 19" Magnum Research Desert Eagle
50 AE  1 in 20" Freedom Arms
50 AE  1 in 19" Desert Eagle
50 AE  1 in 20" Freedom Arms
6mm PPC  1 in 9" MOA
6mm PPC  1 in 10" Thompson/Center Rifle
6mm PPC  1 in 14" Sako, Ruger VT
6mm TCU  1 in 10" Thompson/Center Carbine and Rifle
6 x 45  1 in 12" Cooper
6 x 47  1 in 12" Cooper
6 x 47mm  1 in 12" Remington 40-XB
6 x 47mm  1 in 14" Remington 40-XBBR
6.5 TCU  1 in 8" Thompson /Center
6.5 x 39  1 in 8" MOA
6.5-35M 1 in 8" MOA
6.5 M Schoenauer  1 in 8 1/4" Mannlicher-Schoenauer
6.5 Remington Magnum  1 in 9" Remington 600, 660, 700, Ruger 77
6.5 TCU  1 in 8" Thompson/Center Carbine and Rifle
6.5 x 55mm  1 in 7 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 x 68mm  1 in 11" Mannlicher-Schoenauer
6mm BR Remington  1 in 9" Remington, MOA
6mm International  1 in 12" Remington 40-XB
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 Remington BR  1 in 14" Remington 40-XBBR
6mm TCU  1 in 10" Thompson/Center
7 PPC  1 in 10" Wichita
7 Super Magnum  1 in 9" Thompson/Center
7 TCU  1 in 9" Thompson/Center Rifle and Carbine
7 x 30 Waters  1 in 9" Thompson/Center
7 x 30 Waters  1 in 9" Thompson/Center Carbine
7 x 30 Waters  1 in 9 1/2" Winchester 94
7 x 35 1 in 9" MOA
7 x 39  1 in 9" MOA
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 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
7 x 61 Sharpe & Hart  1 in 10" Schultz & Larsen
7 x 64mm Brenneke  1 in 9" Thompson/Center Rifle
7.62 x 39mm  1 in 10" Thompson/Center Rifle
7.62 x 39mm  1 in 12" Colt, Ruger
7mm BR Remington  1 in 9" MOA
7mm BR Remington  1 in 10" Remington
7mm Dakota  1 in 10" Dakota Arms
7mm Express  1 in 9 1/4" Remington 700, 4, 7400.
7mm IHMSA  1 in 9" Wichita
7mm Merrill  1 in 9" Merrill
7mm Remington Magnum  1 in 9 1/4" Remington 700
7mm Remington Magnum 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 Magnum 1 in 9 1/2" Ruger (present), Savage (present)
7mm Remington Magnum  1 in 10" Browning, FN, Harrington & Richardson 300, Musketeer, Schultz & Larsen, Browning BAR Mark II, Weatherby Vanguard
7mm Remington Magnum  1 in 9" Husqvarna, Remington 40-XB, 700 (1969), Magnum Research Mountain Eagle, Thompson/Center Rifle
7mm Rocket  1 in 9" Merrill
7mm RUM  1 in 9 1/4" Remington 700
7mm SAUM  1 in 9 1/4" Remington Model Seven
7mm STW  1 in 9" Remington 700, Winchester 70
7mm STW  1 in 9 1/2" Ruger #1, Savage
7mm TCU 1 in 9" Thompson/Center, MOA
7mm TCU 1 in 10" Wichita
7mm Weatherby Magnum 1 in 9 1/4" Remington 700
7mm Weatherby Magnum  1 in 9 1/2" Weatherby Mark V (present)
7mm Weatherby Magnum 1 in 10" Weatherby (1965)
7mm Weatherby Magnum  1 in 12" Weatherby (old)
7mm WSM  1 in 9 1/2" Winchester 70, Browning
7mm-08 Remington 1 in 9" Wichita, MOA
7mm-08 Remington 1 in 9 1/4" Remington
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
8 x 68S MS 1 in 11" Mannlicher-Schoenauer
8mm Remington Magnum  1 in 10" Remington 700
9mm Luger  1 in 9.84" Sig-Sauer, Glock, Taurus
9mm Luger  1 in 10" Smith & Wesson (old), Ruger, Beretta, Magnum Research Baby Eagle
9mm Luger  1 in 16" Colt, Browning, Springfield Armory
9mm Luger  1 in 18 3/4" Colt, Smith & Wesson (new)
9mm Luger  1 in 14" Thompson/Center
9mm Luger  1 in 10" Colt, Marlin 9, Uzi Carbine
9mm Luger  1 in 14" Thompson/Center Carbine