The MK22 MOD 0 rifle features a lightweight folding stock with adjustable cheek piece ambi mag release and Barretts MLOK rail system. Its fluted barrel features a high efficiency suppressor capable muzzle brake. Comes with all three caliber kits listed five 10 round magazines per caliber bipod bag rider three accessory rails two bore guides 7.62 and .300.338 stock spacer kit with four spacers and hardware cleaning kit with rod tool kit with torque wrench and bits operator spare parts kit sling with quick detach sling loops suppressor cover soft case and hard case.