AR-STONER LR-308 Side Charging Upper Receiver Assembly 6.5 Creedmoor 20″ Barrel 15″ M-LOK Ultralight Handguard


Category: Product ID: 13286


The AR-STONER LR-308 Side Charging Upper Receiver assembly chambered in 6.5 Creedmoor delivers precision accuracy at an affordable price. The machined billet aluminum upper receiver is combined with an extruded aluminum free float M-LOK handguard and both are matte finished.

This complete upper features a rifle-length gas system, bolt carrier group and a lightweight 15” free float AR-Stoner M-LOK handguard and a flash hider.

Attach your favorite sling to the free float handguard with integrated QD mounts and use the precision M-LOK cutouts at the three, six, and nine o’clock positions for mounting MIL-STD 1913 Picatinny rails or other direct-attach M-LOK accessories.


  • Chambered in 6.5 Creedmoor
  • Medium SOCOM contour barrel with 1:8 twist rate
  • Gen 2 side charging handle


Made In United States of America

WARNING: Cancer and Reproductive Harm –


Product Information

Cartridge 6.5 Creedmoor
Color Black
Finish Anodized
Material Aluminum
Weight 6 Pound
Barrel Length 20 Inches
Twist 1:8 Inches
Threads 5/8″-24
Barrel Contour SOCOM
Barrel Finish Parkerized
Chrome Lined No
Gas Block Diameter 0.936 Inches
Gas System Length Rifle
M4 Feed Ramps Yes
Upper Receiver Type Side Charging
Barrel Material 4150 Chrome Moly Vanadium Steel
Handguard 15″ M-Lok Ultralight
Bolt Carrier Assembly Included Yes
Muzzle Device Flash Hider
Country of Origin United States of America
Compatible With
AR-10, LR-308

Delivery Information

Shipping Weight 7.000 Pounds


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