Anyone have dope for an 18" .308 GAP-10 and Copper Creek's gas gun loads?

[truth]

Just need something quick to work from preferably in mil.

 

[Pusher591]

That's totally gonna depend on weight of projectile. Need more info on what your looking for.

 

[truth]

Copper Creek only makes one version of the Gas Gun Load.

.308 Win Gas Gun 175 SMK Match .308 WInchester 175 Grain Sierra MatchKing BTHP Gas Gun Laods [] - $29.99 : Copper Creek Cartridge Co.

"175 HPBT Sierra MatchKing

This load was specially designed for function and accuracy in the G.A. Precision GAP-10. The test gun was built with an 18" barrel and GAP Titan Muzzle Brake.

Chronographed at 2500 with a 18" barrel"

 

[Cranedaddy]

Try JBM Ballistics.