DS Arms AR15 MK18 10.3" 5.56x45mm Service Series Upper Receiver Assembly

DS Arms AR15 MK18 10.3" 5.56x45mm Service Series Upper Receiver Assembly

Specifications:

• 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 - F Marked
• A2 Bird Cage Flash Hider
• 10.3" M4 Profile Barrel
• .750" Gas Block Diameter
• .072" Gas Port
• 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
• Carbine Length Gas System
• Stainless Steel Gas Tube
• Barrel Threaded 1/2x28
• Aluminum Delta Ring
• Knight's Armament Company M4 RAS Carbine Length Handguards - 1913 Spec. Picatinny Handguards.
• Ma-Tech Back Up Iron Sight With Ranging

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

All Parts U.S. Made and Assembled By DS Arms!

Barrel is less than 16" in overall length; All NFA Rules Apply.