DS Arms AR15 M16 A4 20" 5.56x45mm Service Series Upper Receiver Assembly

DS Arms AR15 M16 A4 20" 5.56x45mm Service Series Upper Receiver Assembly

• Forged 7075-T6 A3 M4 Upper Receiver
• Hardcoat Anodized per MIL-A-8625F, Type III, Class 2 Finish
• 1913 Mil-Spec Picatinny Top Rail
• M4 Feed Ramps on Upper Receiver
• Mil-Spec Port Door & Forward Assist Assembly
• Forged Front Sight Tower with Bayonet Lug
• A2 Bird Cage Flash Hider
• 20" HBAR Profile Barrel
• 4150 - 11595E Mil-Spec Barrel Steel
• Chrome Lined Chamber & Bore
• 5.56 NATO Chamber & Bore
• 1:7 Twist Rate
• M4 Feed Ramp Barrel Extension
• Barrel Features Mil-Spec Phosphate Finish
• Rifle Length Gas System
• Stainless Steel Gas Tube
• Barrel Threaded 1/2x28
• Kinght's Armament M5 Rifle Length RAS System Handguard - 1913 Spec Picatinny Rails - Includes 3 Ribbed Panels
• Matech Mil-Spec BUIS - Ranging Back Up Iron Sight
• Aluminum Delta Ring

Upper half assembled as shown, no bolt, no carrier or charging handle included.

All Parts U.S. Made By DS Arms!