Strike Industries drop-in replacement buttstock for AR15/M16 carbine using mil-spec sized receiver extension tubes. The MOD1 stock integrates features sought by military professionals and firearms enthusiasts around the world.
Specifications:

Type	Buttstock
Firearm Type	AR-15/M16/M4
Firearm Model	AR-15
Material	Glass Reinforced Polymer
Finish	Black
Features
Adjustment Type
Positions
Length of Pull	9.25"-12"
Rails
Texture Type
Swivel Studs
Free Floating
Grip Type
Tube Included
Max Capacity