Add your content here
Add your content here

AR-STONER LR-308 A3 Billet Upper Receiver Assembly 308 Winchester 16″ Barrel 15″ Ultralight M-LOK Handguard



Product Information

Cartridge 308 Winchester
Finish Matte
Material Aluminum
Weight 5.75 Pound
Barrel Length 16 Inches
Twist 1:10 Inches
Threads 5/8″-24
Barrel Contour Heavy
Sights No
Barrel Finish Matte
Chrome Lined No
Gas Block Diameter 0.75 Inches
Gas System Length Mid-Length
M4 Feed Ramps Yes
Upper Receiver Type A3 Flat-Top
Barrel Material 4150 Chrome Moly Vanadium Steel
Handguard 15″ Ultralight M-LOK
Bolt Carrier Assembly Included Yes
Muzzle Device Flash Hider
Mil-Spec or Commercial Commercial
Country of Origin United States of America
Compatible With
AR-10, LR-308

Delivery Information

Shipping Weight

6.680 Pounds

Product Overview

The AR-STONER LR-308 A3 Billet Upper Receiver Assembly chambered in 308 Winchester is ready to be assembled to a complete lower. This LR-308 billet upper features a bolt carrier group, a heavy contour 16” barrel with a matte finish and Ultralight, 15” free float M-LOK handguard. Securely mount popular accessories directly to the precision M-Lok cutouts. This sleek and ergonomic free float handguard meets shooters needs without sacrificing strength and performance. The AR-STONER LR-308 Upper is patterned after DPMS and will work with DPMS style parts/lowers. The A3 upper assembly comes complete with charging handle, forward assist, ejection port cover, flash hider, bolt and bolt carrier assembly. Supplied without sights, this upper is a great platform for a precision scope or iron sights (both sold separately).


  • Chambered in 308 Winchester
  • 16″ Heavy Contour Barrel
  • 15″ Ultralight M-LOK Handguard

Made In United States of America

WARNING: Cancer and Reproductive Harm –


There are no reviews yet.

Be the first to review “AR-STONER LR-308 A3 Billet Upper Receiver Assembly 308 Winchester 16″ Barrel 15″ Ultralight M-LOK Handguard”

Your email address will not be published. Required fields are marked *



Your Cart is Empty

Back To Shop