Luth-AR AR-15 MBA-1/MBA-3 Buttstock Upper Screw Steel A1-01

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LUTH-AR offers replacement components for the AR-15 that are made to strict military specifications. These high quality components will provide excellent fit and reliable function in your AR series rifle and are perfect for upgrading existing components or replacing worn or broken parts.

Screw used to attach MBA-1 and MBA-3 to Extension Tube (No vent hole and may be black or stainless steel).

Features and Specifications
Manufacturer Number: A1-01
Dimensions: 1/4-28 x 1/2