This is our standard AR-15 carbine buffer tube/receiver extension castle nut in matte black. It fits both Mil-Spec and commercial tubes.
Features:
4140 Tool Steel construction
Castle Nut
$9.00Price
top of page
bottom of page
This is our standard AR-15 carbine buffer tube/receiver extension castle nut in matte black. It fits both Mil-Spec and commercial tubes.
Features:
4140 Tool Steel construction