Us Machinegun Promo Codes & Coupons October 2026 — Up to $75 Off

Us Machinegun's new thin rear stock adapter upgrade folding adapter AK47 pistol allows the option to add almost any AR buffer tube, commercial or Mil specification and rear stock, ATF blade or arm support. Upgrade folding adapter provides upgraded machined parts, machined improved lock buffer grooves, prevent turning, upgrade hinge springs, improve, swing. Blades and KAK tubes are sold separately. Us Machinegun's kit is connected through a sling hole, including their flat mounted stock adapter, AR buffer tube folding adapter and gear head engineering tail hook 5 position adjustable Mod 2 support. The kit includes their flat mounting adapter, a thin wire folding AR buffer tube adapter, gear head engineering tail hook die 2 support, castle nuts and lock plates and all hardware, bolts and Allen wrench installations. The upgraded folding adapter provides upgraded machined parts, improved locking cushioning grooves, anti-turning, upgraded hinge springs, improved locking hinges, thinner design and harder coating.