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
Upper half assembled as shown, no bolt, no carrier or charging handle included.
All Parts U.S. Made By DS Arms!
- 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!
