Sons of Liberty Gun Works AR/M4 Stripped Broadsword Upper Receiver
Sons of Liberty’s flagship stripped upper receiver, made from billet 7075-T6 for use with their M89 and L89 Drivelock rails.
(Inside Diameter for barrel extension slightly undersized for a tighter fit to the barrel and a more accurate rifle. Please use a heat gun or hair dryer to warm up threaded bore of receiver if barrel extension is too tight.)
Specifications
- Machined from billet 7075-T6 aluminum
- T marked
- Hardcoat anodized
Terry J. (verified owner) –
Rooftop Defense gets a 10/10 from me will continue to do business with them.
leonard s doyle j. (verified owner) –
this upper paired with the Sons of Liberty Gun Works M89 DriveLock Rail, 10.5″ MLOK is a match made in heaven the sweatshop workers really outdid themselves with this one. this is the tightest lockup i have ever gotten out of a upper and hand guard combo 1000% recommend