SST porting package can be done on most gun models. (NO BUSHING BARREL 1911/2011s). Porting works great with stock recoil spring, additional tuning may be required. Will run most factory 115 grain ammo and other higher grain factory ammo.
. C4- The C4 ports a spin on the classic ported Glock C models but with some extra flair and better performance!
***PLEASE NOTE THAT RETURN SHIPPING IS NOT INCLUDED IN THE PRICE! WE WILL CONTACT YOU TO ARRANGE SHIPPING***
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