Description
Sons of Liberty Gun Works is a manufacturer of quality firearms and parts, perfect for your next build, next competition, or next line of defense. Their small parts fit most mil-spec firearms. These uppers are built with L89 7-sided rails, forged uppers, and Liberty Fighting Barrels. There are multiple options of lengths and muzzle devices.
Features
- 14.5" 5.56 NATO Barrel
- 13.75" L89 Handguard
- Plan B Flash Hider
- 7-Sided M-LOK Slots
- Integral QD's at Barrel Nut on Both Sides
- Drivelock Barrel Nut System
Additional Details
- SKU:
- RPVSOLGWUM4L89556145PB
- UPC:
- 657628673033
- Weight:
- 4.06 LBS
- Width:
- 3.25 (in)
- Height:
- 3.00 (in)
- Depth:
- 30.50 (in)
- Barrel Length:
- 14.5 in Pinned (16 in OAL)
- Finish:
- Matte
- Fit:
- AR-15
- Caliber:
- 5.56 NATO
- Manufacturer:
- Sons of Liberty Gun Works
- Manufacturer part #:
- U-M4L89-556-145-PB
- Model:
- M4-L89 Upper Receiver Group
- Type:
- Upper
- Sub Category:
- Complete Upper Receivers
- Color:
- Black
