Diamondback Blemished AR10 .308 Upper & Lower Set. This stripped upper receiver & Armalite lower receiver combo set has slight cosmetic blemishes which don't affect its functionality. Blemishes could include: Anodizing missing from the inside of the magwell; Pin sized hole on the left side of the magwell near the bolt catch roll pin relief area
SLR Sentry .875' Set Screw Version Low Profile Adjustable Gas Block. This Low Profile Adjustable Gas Block fits under most slim version handguards and requires 1.4' diameter opening. Designed to allow the operator to fine tune the gas system for optimized performance. Machined from durable 4140 chromoly steel