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AR-10® B-SERIES 20" COMPLETE UPPER

Item Number: U10A4BF
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Your Price:   EA
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The AR-10A4 20" Complete Upper Assembly features a double lapped, chrome lined barrel. The MIL-STD 1913 rail on the upper receiver and the gas block allow rapid and repeatable interchange of removable iron or scope sights.

*Compatible with Armalite AR-10® B-Series lowers.

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Specifications

Product Line
AR-10® Uppers
Product Category
Defensive Sporting Rifle B Series
Caliber
.308 Win | 7.62x51
Barrel
HB, Double Lapped, Chrome Lined / Chrome Moly
Barrel Length
20"
Twist Rate
1:11.25RH
Muzzle Device
5/8-24 Threaded, Flash Hider
Front Sight Base
MIL-STD 1913 Rail Gas Block (.398" +/- .010" Lower Than Upper Receiver)
Handguard
10" Standard
Upper Receiver
Forged, Flat-Top with MIL-STD 1913 Rail, 7075-T6 Aluminum
Charging Handle
Standard
Finish
Hard Anodized Aluminum
Included
Bolt Carrier Group, Charging Handle