Description
The AR-STONER LR-308 A3 Billet Upper Receiver Assembly chambered in 308 Winchester is ready to be assembled to a complete lower and fired! This LR-308 billet upper features a mil-spec bolt carrier group, a heavy countour 18” barrel with a matte finish and lan 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).
Features:
- Complete Bolt Carrier Group
- 15″ Ultralight M-Lok Handguard
- 18” Barrel
- Chambered in 308 Winchester
Made In United States of America
Specifications
Product Information
| Cartridge | 308 Winchester |
| Finish | Matte |
| Material | Aluminum |
| Weight | 7 Pound |
| Barrel Length | 18 Inches |
| Twist | 1:10 Inches |
| Threads | 5/8″-24 |
| Barrel Contour | Heavy |
| Sights | No |
| Barrel Finish | Matte |
| Chrome Lined | No |
| Gas Block Diameter | 0.875 Inches |
| Gas System Length | Rifle |
| 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 | 6.920 Pounds |







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