Luth-AR LLC, known for the lightest and most affordable adjustable buttstocks, bring you innovative and exciting AR parts and accessories, all made in the U.S.A.
The Luth-AR Lower Receiver Parts AR-15 Builder Kit is a great foundation for your stripped lower receiver. For armorer’s starting a build where a drop-in trigger and custom grip are planned, this kit is the perfect choice. It includes all the required small parts to get your build started, less the custom parts you won’t need from an LPK. This MIL-SPEC kit is compatible with virtually all AR-15 lower receivers on the market.
NOTE: Grip and fire control group are not included.
Kit Includes:
Buffer retainer
Buffer retainer spring
Safety selector
Selector spring
Safety detent
Bolt catch spring
Bolt catch plunger
Bolt catch
Bolt catch roll pin
Pivot pin
Takedown pin
(2) detent springs
(2) takedown/pivot detents
Magazine catch
Mag catch spring
Aluminum magazine catch button
(2) hammer/trigger pins