skeleton+ar15+lowers | Skeletonized AR-15 Lower Receiver
Ruger® AR-Lower Elite, Two-stage Elite 452 AR-Trigger, Magpul MOE Stock, Black, New.
took the wraps off of their latest lower receiver design - the Jack. Like their Hellbreaker and Warthog lowers before it, the Jack features a sculpted design around the magwell - .
Tennessee Arms Company complete AR lower receiver with standard M4 equipment
Official Armalite AR-10 Lower Receivers
Designing my ultimate survival sheath | AllOutdoor.com
Building an AR Lower Receiver
pc-armament | AR LOWER PARTS