By Nathaniel F
Next up for the Big Freakin’ Cartridge Test is Federal’s T556TNB1 load, which is the civilian market name for the Mk.318 SOST projectile developed by US SOCOM as a “barrier blind” round for the M4 Carbine and Mk. 18 CQB upper receiver. This ammunition uses a reverse drawn jacket to improve accuracy, and couples a fragmenting front end with a solid […]
The post BIG Freakin’ Cartridge Test 009: Mk. 318 Mod. 0 62gr SOST (T556TNB1), 14.5″ Barrel, and Accuracy appeared first on The Firearm Blog.
Source:: The Firearm Blog