EXCELLENT 458 UPPER
I bought two of the Muller 458 stripped uppers from the good folks at Gorilla Machining, and received fast service and excellent stripped uppers. The stripped Muller uppers I received were everything I wanted/ needed. I have already used one for a 450 Bushmaster pistol build using an 10 1/2" KAK barrel. I've only put 40 rds thru it so far, but have no issues, and only great things to say about these.
Reviewed by: (Verified Buyer) Ozark Larry from Bourbon, MO on 9/20/2020