All purpose AR-15 12" X 0.31" blank Picatinny rail can be adapted to a variety of projects and upgrades.

Features and Specifications:
Manufacturer Number: MB1231
Black anodized aircraft grade aluminum
Accepts all standard Weaver / Picatinny 1913 accessories
Uncut to enable a custom fit
Length: 12"
Weight: 3.1 oz.