Interchanging Headspace Gages

Many headspace gages are interchangeable. Cartridges not listed here have their own unique gages and are not interchangeable with other calibers.   This is not an exhaustive list but does cover most popular calibers.

GAGE NAME USE WITH THESE CARTRIDGES
Remington BR 22 BR, 6mm BR, 7mm BR
PPC Gages 22 PPC, 6mm PPC
TCU 6mm TCU, 257 TCU, 6.5 TCU, 7mm TCU
17 Ackley Bee 25-20, 218 Bee
22 Long Rifle 22 Short, 22 Long, 22 Bentz, 22 Match, 17 HM2, 17 HS, 17 HMR
22 RFM 22 Winchester Magnum
22 Hornet Hornet Based Wildcats
218 Bee 218 Mashburn Bee, 25-20, 32.20
221 Remington Fireball 221 Remington Fireball, 221 Wildcats
223 Remington 6 X 45, 5.56 NATO, 17-223
222 Remington Magnum 6 X 47
223 Winchester Super Short Magnum 243 WSSM, 25 WSSM
6mm Remington 244 Remington
25-20 32-20, 218 Bee, 218 Mashburn Bee
7 X 57 257 Roberts, 6.5-257 Roberts, 270X57
280 Remington 7mm Express
284 Winchester 22/284, 6/284, 25/284, 6.5/284, 270/284, 30/284, 35/284
30-30 WCF 19 Zipper, 219 Zipper, 219 Zipper Imp., 219 Donaldson Wasp, 22/30-30, 25-35 WCF, 7-30 Waters, 7mm Int. Rimmed, 30-30 Based Wildcats, 30 Herrett, 303 Savage, 307 Win., 32-40 WCF, 32 Win. Spl., 356 Win., 357 Herrett, 375 Win., 38-55 WCF
300 Savage 300 Savage, 270/300 Savage
30-40 Krag 303 British, Krag wildcats
308 Winchester 243 Win., 260 Rem., 7/08, 358 Win., 25 Souper
30-06 25/06, 6.5/06, 270 Win., 8mm/06, 338/06, 35 Whelen
30 Remington 32 Rem.
300 Winchester Short Magnum 270 WSM, 325 WSM,  (DO NOT USE with 7mm WSM)
300 Remington Short Action Ultra Mag 270, 7mm and 338 RSAUM
300 Remington Ultra Mag 270 Ultra Mag, 7mm Ultra Mag, 375 Ultra Mag 

(DO NOT USE with .338 Ultra Mag)

32 H&R Magnum 32 S&W Long
8mm Mauser 8×57
338-06 30-06, 270, 35 Whelen
348 Winchester (WCF) 45-70, 450 Alaskan, 50 Alaskan
357 Magnum 22 Remington Jet, 256 Winchester Magnum, 357 Maximum, 38 Special
358 Winchester 308, 7mm/08, 243 Winchester
35 Whelen 30-06, 270, 338-06
375 Winchester 30-30, 38-55, 32 Win.
378 Weatherby 30/378 Wby., 460 Wby., 378 or 460 Based Wildcats
40-65 45-70, 348 Win.
44-40 WCF 38-40
44 Remington Magnum 44 Special
45-70 Government 33 Win., 348 Win., 40-65 WCF, 45 Basic (45-120 3 1/4″)
45 Colt 454 Casull
460 Weatherby 378 Weatherby, 30-378, or 338-378
Std. Belted Magnum .535″ Base Belted Magnum Calibers: 257 Wby, 264 Win, 6.5 Rem. Mag, 270 Wby, 

275 H&H, 7mm Rem. Mag, 7mm Wby, 7×61 S&H, 300 H&H, 300 Win. Mag, 30-338,

300 Wby, 308 Norma Mag, 8mm Rem. Mag, 338 Win. Mag, 340 Wby, 350 Rem. Mag,

358 Norma Mag, 375 H&H, 416 Rem. Mag, 458 Win. Mag, 458 Lott.

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1 Comment

Filed under ammo, Firearms, Gunsmithing, How To, tools, wildcat

One response to “Interchanging Headspace Gages

  1. Pingback: 8×57 (8mm Mauser) Headspace Gage | GunsmithTalk

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