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 :
Features :
- "14.5" 5.56 NATO Barrel"
- "13.75" L89 Handguard"
- ASR Flash Hider
- 7-Sided M-LOK Slots
- Integral QD's at Barrel Nut on Both Sides
- Drivelock Barrel Nut System
- Barrel Length:
- 14.5" Pinned (16" OAL)
- Manufacturer Part #:
- U-M4L89-556-145-ASR
- Caliber:
- 556NATO
- Restricted State1:
- CA
- Fit:
- AR-15
- Model:
- M4-L89 Upper Receiver Group
- Subcategory:
- Upper Receivers
- Type:
- Upper
- Finish:
- Matte
- Color:
- Black
- Talo Exclusive:
- N
- DropShip Block:
- N
- Allocated:
- N
- New Item:
- Y
- Requires FFL:
- False
- UoM:
- EA
- Exlusive:
- N
- Closeout:
- N
- Items Per Unit:
- 0
- Case Height:
- 0.00
- Case Length:
- 0.00
- Case Weight:
- 945.00
- Coming Soon:
- Y
- Case Width:
- 0.00
- Items Per Case:
- 0
- Dropshippable:
- N
- NFA:
- N
- LeResale Only:
- N
- Ground Only:
- N
- Department Name:
- Upper Receivers & Conversion Kits