Ideal for close quarters or home defense, this AR-style MK18 pistol from Daniel Defense is chambered in the proven and reliable 5.56 NATO caliber, also accepts .223 Remington. It has a carbine length gas system, low profile gas block, and a RIS II MK18 Handguard Black free float handguard. The chrome lined 10.3″ cold hammer forged chrome moly vanadium barrel has 1:7 twist and provides exceptional accuracy. It features mil-spec 7075-T6 aluminum upper and lower receivers that are hard coat anodized black. The lower receiver includes a quick detach sling attachment at the back of the receiver and an enhanced flared magwell. The upper receiver has indexing marks and M4 feed ramps for fantastic reliability. It has carbine length direct impingement gas system and mil-spec HP/MP tested chrome line M16 profile bolt carrier group with a properly staked gas key. The low-profile gas block is hardened steel with a heavy phosphate coating and it has a stainless-steel DD flash suppressor with a salt bath nitride finish.