4/12/2023 0 Comments Mockup pin![]() ![]() ![]() Starting at 25, then 35, and then finally 50 FT-lbs to ensure proper mating of the threads. Full lifetime warranty on all components and the first rebarrel is also free.Įach upper ships with a unique checklist noting the ejection pattern with high quality ammunition, function, lock back on empty, and any buffer/spring recomendations I may have.ġ0.3" Ballistic Advantage 5.56 Upper, 9" Quad Rail Handguard, AO TMS BCG, and Mil-Spec Upper and Charging handleīarrel nut is sequentialy torqued down to 50 FT-lbs. An excellent MK18 style upper at a quarter the cost with all of the attention to detail. Gas block is secured with Rockset for ultimate reliability. ![]() Using a BA 10.3" crane spec chrome lined barrel, AO TMS BCG, and UTG Pro 9" Quad Rail. Obviously built out in the style of the famous DD MK18. The Mock 18 is our first special run of uppers. These will not cycle steel case or weak ammo unsuppressed. If you want them to please write it in the order notes and I will open up the gas port.*** 072" gas port size and are very soft shooting with full power ammo. ![]()
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