Superior Shooting Systems Adaptive Target Rifle Headspace Check Gauge AOP Designed and constructed specifically for

Designed and constructed specifically for the 8mm Remington Magnum

Recommended twist: 1:13" or faster

Multi-groove opening accommodates 3

Suitable for all Remington 700 scope bases

2 Layer membrane

Superior Shooting Systems Adaptive Target Rifle Headspace Check Gauge AOP Designed and constructed specifically forThe Adaptive Target Rifle Headspace Check Gauge is designed for gunbuilders and barrelers to measure a barrels headspace with the barrel extension without the need for the customers bolt or complete rifle. This makes the chambering process very simple as the check gauge exactly mimics the bolt lug to bolt face dimension on all of the Adaptive Target Rifles allowing it to be used instead of the customers actual bolt during the chambering process.