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For use with the Hornady Headspace Comparator
Provides the ability to check most bottleneck cases from .17 REM through belted Magnums
Extend brass life improve accuracy and enhance safety
All bushing are interchangeable with the Comparator
Bullet comparator and calipers sold separately

The Hornady Lock-N-Load Headspace Bushings provide the ability to check most bottleneck cases, from .17 Rem through belted magnums. Ackley Improved chambers use the same bushing size as the parent case. See chart provided or consult product instructions for cartridge/bushing size details. Hornady Headspace Gauge Bushing Size Chart: A-.330" .17 Rem, .204 Ruger, .222 Rem, .222 Rem Mag, .223 Rem, .220 Swift, .221 Rem FB, B-.350" 22 PPC, 22/250 Rem, 6 PPC, 6 BR Rem, 250 SAV, 7 BR Rem, 7 x30 Waters, 22 BR Rem C-.375" 6mm Rem, 257 ROB, 25/06 Rem, 270 WIN, 7x57mm MAUSER, 280 Rem, 30/30 WIN, 30/06 SPFLD 7.62x39 RUSSIAN, 303 BRIT, 300 H&H MAG, 30-40 KRAG, 22 CHEETAH, 6.5 x 55 D-.400" 243 WIN, 7mm/08 Rem, 308 WIN, 7mm STE, 260 Rem E-.420" 284 WIN, 7mm Rem MAG, 300 WIN MAG, 8mm Rem MAG, 338 WIN MAG, 375 H&H, 7mm STW, 7mm Ultra MAG, 300 Ultra Mag, 300 WSM, 338 Ultra F-.188" Bushing "blank" w/.188" dia. hole. Drill and Ream for sizes not listed. Note: Many Weatherby cases may be checked by measuring cases on the inside radius and on the outside radius. Use the appropriate bushing size(s) to gauge near the center of the radius.