AAP-01 Parts: TTI Carbine kit (full metal) TDC Hopup AA Hardened Steel hammer Maple leaf 12.2" Crazy Jet barrel Maple Leaf MR Hop Bucking Real Steel 15" Handguard(made in usa) Red Aluminum Lightweight Bolt Red Aluminum charging handle Mr. Snappy recoil spring Lil Snappy nozzle spring TTI adjustable trigger COWCOW upgraded nozzle COWCOW high flow valve (aluminum) Short Stroke kit (installed) Can include primary arms mag adapter (M4) for $80 extra Extremely accurate, and shooting ~40rps. High end build. Will throw in a buffer tube for free so you can put a stock on.