AR Industries Finish Your Lower Build Kit – AR-15

AR INDUSTRIES AR-15 LOW PROFILE BUTTSTOCK
AR-15LPBS

Specifications:

Built-in sling loop
Designed to easily fit over a mil-spec buffer tube
Lightweight and ergonomically designed to fit a variety of shooting styles

SIGMA SIX TACTICAL MIL-SPEC BUFFER TUBE WITH COMPLETE KIT
55M-B-KIT
Includes:

Buffer Tube
Spring
Castle Nut
End Plate
Buffer

AR INDUSTRIES STANDARD AR-15 LOWER PARTS KIT
STDLPK

Kit Includes:
Takedown/pivot Spring
Takedown/pivot detent
Trigger/hammer pin
Takedown pin
Pivot pin
Bolt Catch
Bolt Catch Spring
Bolt Catch buffer
Bolt catch roll pin
Safety Selector
Safety Selector spring
Safety Selector detent
4-40 Set Screw (for threaded takedown pin detent hole)
Buffer retainer
Buffer retainer spring
Trigger guard
Trigger guard roll pin
A2 pistol grip
Pistol grip screw
Pistol grip lock washer
Trigger spring
Hammer spring
Disconnector spring
Magazine catch body
Magazine catch spring
Magazine catch button
Hammer
Trigger
Disconnector