PSA JAKL 300 Blackout Lowers are now available! We start with our standard single-stage government-style fire control group, finely polish the contact surfaces and then coat the hammer and trigger in a super slick nickel finish. The result is a trigger that is substantially smoother than mil-spec. A great economical upgrade. This lower is complete with a Magpul MOE grip & JAKL Stock Adapter fitted with a JMAC Customs TS-8 Stock with Rubber Butt Pad JMAC (T)riangle(S)tock(8)inch with our 1913 folding mech 2x Integrated QD Sling Socket 8" Length Compatible with SIG folding mechanisms 7075 T6 Aluminum Hard-Coat Anodized