Home / Products / Sons Of Liberty / Sons of Liberty Gun Works M4-89 Complete Upper M489UPPER-10.5-300, 300 Blackout, 10.5 in Combat Barrel
Sons of Liberty Gun Works M4-89 Complete Upper M489UPPER-10.5-300, 300 Blackout, 10.5 in Combat Barrel
Lowest Price
Price unavailable
MSRP
$0
Savings
No verified offer
Verified In Stock at
0 Stores
Updated
Aug 26, 2026
Compare Deals from 1 Retailers
Verified availability, then price
Specifications
Brand
UPC
785939519129
Description
Sons of Liberty Gun Works M4-89 Complete Upper M489UPPER-10.5-300, 300 Blackout, 10.5 in Combat Barrel
