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

Item Number: ZM4CBU20GOVT-RAS-A

Shipping Weight: 3.12

Price: $579.95

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DS Arms AR15 M16 A4 20" 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
A2 Bird Cage Flash Hider
20" A2 Government Profile Barrel
4150 - 11595E Mil-Spec Barrel Steel
.750" Gas Block Diameter
.093" Gas Port
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!

Customer Reviews

(5.00)

# of Ratings: 1

(Only registered customers can rate)

1. Anonymous User on 10/5/2020, said:

Absolutely perfect product. I will definitely purchase this again for any future builds. Tight shot groups. Keep up the good work DS Arms!

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