HM Defense Complete Upper 16" Long Rail Barrel 5.56 AR-15 M-LOK
HM Defense's Mission Is To Advance Ar15 / Ar10 Rifle Technology To Its Highest Level. They Strive To Create Rifles That Are More Accurate, Easier To Maintain And Dependable In Extreme Conditions.
1. Barrel :
The HM MONOBLOC upper includes an integrally machined patented gas block. Chambered in 5.56 NATO/223 Rem, the 4150 Chromoly barrel is 16 inches in length, features a 1:8 twist ratio and a mid-length gas system. All HM Defense barrels are match grade, tripled honed and button rifled for superior accuracy.
The custom HM Defense 15 inch, free float 1913 Picatinny rail is CNC machined from 6061-T6 aircraft grade aluminum. The rail is compatible with Magpul M-LOK mounting system.
3. Upper Receiver:
HM Monobloc upper features a Mil-Spec Forged 7075- T6 M4 Upper Receiver with Type III Class II hard-coat black anodized finish, M4 Feed Ramps, and a 1913 Picatinny rail flattop.
HM Defense Monobloc upper includes an M16 bolt carrier group with patented HMB bolt and Mil-Spec components and charging handle. Includes dust cover engraved with American flag.
5. Muzzel Brake:
HM Defense Monobloc upper includes CNC machined muzzle brake.
6. Barrel Finish:
Rifle Black Cerakote finish.
7. Weight: 4lb 3oz