Knights Armament LR-308 SR-25 APR Upper Receiver Assembly 308 Winchester 20″ Barrel URX 4 M-LOK Handguard


Category: Product ID: 13339


The Knights Armament SR-25 APR Upper Receiver Assembly was built as a dual role 7.62mm NATO Carbine. Every PR is adept at putting rounds on target past 1000 meters. Featuring a 20” cut rifled, precision barrel and QDC Flash Suppressor, the 20” PR upper is the ultimate choice in the semi-auto precision rifle world. This complete upper assembly comes standard with a 15” URX 4 M-LOK handguard, Knight’s Armament Micro Front Sight, Knight’s Armament Micro 600m Rear Sight, SR-25 Buffer, SR-25 Action Spring, and Magpul M-LOK cover kit.

Made In United States of America

WARNING: Cancer and Reproductive Harm –


Product Information

Cartridge 308 Winchester
Color Black
Finish Anodized
Material Aluminum
Weight 6.6 Pound
Barrel Length 20 Inches
Twist 1:10 Inches
Threads 5/8″-24
Barrel Contour Medium
Sights Yes
Barrel Finish Black
Gas Block Diameter 0.75 Inches
Gas System Length Rifle
M4 Feed Ramps Yes
Upper Receiver Type A3 Flat-Top
Handguard URX 4 M-Lok
Bolt Carrier Assembly Included Yes
Muzzle Device Flash Hider
Mil-Spec or Commercial Mil-Spec
Country of Origin United States of America
Compatible With
Knight’s Armament SR-25

Delivery Information

Shipping Weight 10.900 Pounds


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