Quick view Luxus Arms Luxus Arms (hm Defense) Monobloc Upper, Hm Defense 95mbup556 9.5 Monobloc Pistol Upper $641.66 The monobloc upper features a hm barrel with an integral machined patented gas block, and a carbine gas system.It is also 4150 chromoly, match grade, tripled honed, and button rifled.Its handguard is free-floating and uses a picatinny rial, magpul m-lok,... Compare Add to Cart
