The ca compliant protector carbines from wilson combat have been designed for professional level performance in a ca compliant ar package.At the heart of every protector is our wilson combat match-grade precision button rifled barrel, mated to a black nitride treated mil-spec bolt carrier group with mpi inspected carpenter 158 bolt for impressive long-term reliability.The free-floating wilson combat m-lok handguard has a slim, ergonomic profile that shields the black nitride finish non-adjustable gas block.Other features are a durable and low-signature armor-tuff coating; wilson combat match-grade, precision button rifled stainless steel barrels finished off with a tacfire muzzle brake that helps reduce felt recoil and muzzle rise; wilson combat exclusive 2-stage tactical trigger unit for a trouble-free, superior, crisp trigger pull every time with a modular construction that simplifies takedown and cleaning after high round count training sessions; ergonomic comfort features like the wilson combat ambidextrous safety selector; strike industries featureless grip and magpul moe fixed carbine stock complete this high performance package that is tailored to the needs of the well-armed californian.Metal Finish: BlackAction: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 16.25"Capacity: 10+1Trigger: TacticalSafety: TacFire Muzzle BreakOal: 35"Weight: 6.12 lbsStock Description: Magpul CarbineMuzzle: TacFire Muzzle BrakeReceiver Material: AluminumSights: Stainless SteelBarrel Description: Match Grade Stainless SteelTwist: 1:7"Barrel Length Range: 16" to 16.99"Hand: RightStock Finish Group: BlackMetal Finish Group: Blued/Black