Archwick B&T Air RBS9 Airsoft Mock Suppressor Gas Magazines Strong recoil spring means that

Strong recoil spring means that the slide locks back into place with a very loud and solid slap

or Heretic Labs Tank Grip

FCCM 68 round magazine features new multi-follower feeding system

Locked to Semi Only

Direct drop in VFC/Umarex GBB

Archwick B&T Air RBS9 Airsoft Mock Suppressor Gas Magazines Strong recoil spring means thatFeatures Constructed out of CNC 6061 T6 Billet Aluminum w matte black anodized finished Fully licensed by B&T with authentic markings and logos Fits on airsoft guns with 14mm negative threaded muzzle device Fits on B&T Air APC9K APC9 PRO APC 9 Limited Edition GBBs with included thread adapters with those models (not included) Works with most 30mm OD tracer units, recommended with the ACETECH Blaster Great for hiding extra long inner barrels for