ARCHWICK B&T AIR IMPULS OLS DIRECT MOUNT AIRSOFT SUPRESSORProduct Description Features 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 B&T Air APC9K APC9 PRO APC 9 limited edition GBBs, or any other Airsoft gun with 14mm negative threaded muzzle device Works with most 30mm OD tracer units, recommended with the ACETECH Blaster Great for hiding extra long inner barrels for increased velocity and accuracy with your