Hornady Headspace Comparator Kit without Body

Description

Bushings included are .330, .350, .375, .400 and .420

The Lock‑N‑Load® Headspace Comparator extends brass life, improves accuracy, and enhances safety. The gauge measures variations in brass before and after firing or re‑sizing. It allows for headspace comparison between fire‑formed brass and re‑sized brass.

Comparator sizes for popular cartridges

 .330″
17 Remington
204 Ruger
221 Remington Fireball
222 Remington
222 Remington Magnum
223 Remington
220 Swift

.350″
22 PPC
22 BR
22-250 Remington
6mm PPC
224 Valkyrie
6 Dasher
6 BR
6 BRDX
6 BRX
6XC
6 ARC
30 BR
6mm Bench Rest Remington
250-3000 Savage
7mm Bench Rest Remington
300 Blackout
6.5 Grendel

0.375″
6mm Remington
257 Roberts
25-06 Remington
270 Winchester
7 X 57mm Mauser
280 Remington
30-30 Winchester
30-06 Springfield
300 H & H Magnum
7.62 X 39 British
6.5 X 55mm Swedish Mauser
7mm Winchester Short Magnum
30-40 Krag
303 British
6.5mm X 47 Lapua
22 Creedmoor (can use 0.375 or 0.400)
25 Creedmoor (can use 0.375 or 0.400)
6mm Creedmoor (can use 0.375 or 0.400)
6.5 Creedmoor (can use 0.375 or 0.400)

0.400″
223 Winchester Super Short Magnum
243 Winchester
243 Winchester Super Short Magnum
260 Remington
270 Winchester Short Magnum
7mm-08 Remington
300 Savage
308 Winchester
6 SLR
6.5 SLR
35 Remington
22 Creedmoor (can use 0.375 or 0.400)
25 Creedmoor (can use 0.375 or 0.400)
6mm Creedmoor (can use 0.375 or 0.400)
6.5 Creedmoor (can use 0.375 or 0.400)
6.5 RSAUM
300 RSUAM

0.425″
6.5mm-284
284 Winchester
7mm Remington Magnum
7mm Remington Ultra Magnum
300 Winchester Short Magnum
300 Weatherby Magnum
325 Winchester Short Magnum
338 Winchester Magnum
350 Remington Magnum
375 H & H Magnum
264 Winchester Magnum
7mm Remington Short Action Ultra Magnum
7mm Shooting Times Westerner
300 Remington Short Action Ultra Magnum
300 Winchester Magnum
300 Remington Ultra Magnum
8mm Remington Magnum
338 Remington Ultra Magnum
35 Whelen