Lower Parts

Carbine Receiver Extension Tube incorporates 5 different Length of Pull Positions and is compatible with any Mil-Spec Diameter Collapsible AR-15 Stock. The tube is manufactured to strict military specifications from Impact Extruded 7075-T6 Aluminum and...

    AR end plate round dual loop sling adapter.   Used for the mounting of standard single point slings.   The sling adaptor is made of high quality military grade 1050 heat-treated carbon steel...

Buffer Tube is perfect for upgrading an existing AR-15 A2 Stock or building a new fixed stock AR-15 rifle. This buffer tube is machined to strict standards to provide an excellent fit and reliable function. Includes buffer tube only. Buffer and buffer...

ACME is now offering 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 platforms. These parts are perfect for...