Windham Weaponry has but together a lower parts kit of there high quality parts. Built your next AR at Windham Weaponry standards or have a great repair kit just in case your AR has a bad day. Includes everything you need for your next build except the lower itself and stock assembly.

Specifications and Features:
Windham Weaponry kit-lower-ar
AR 15 Lower Parts Kit
AR hammer with J-pin, hammer spring
AR safety selector lever
Safety detent
Safety detent spring
Bolt catch
Bolt catch spring pin
Bolt catch plunger
Bolt catch spring
Magazine catch
Magazine catch spring
Magazine catch button
Takedown/pivot pin detents (2)
Takedown/pivot pin springs (2)
Pivot pin
Takedown pin
AR trigger
Trigger spring
AR disconnector
Disconnector spring
Trigger guard (aluminum)
Trigger guard spring pin
Hammer/trigger pins (2)
Pistol grip
Pistol grip screw
Pistol grip washer
Buffer retainer
Buffer retainer spring