Parts & Kits

Rifle Length Gas Tube is a high quality solution for your next AR build. This stainless steel gas tube provides clean reliable function in your modern sporting rifle. Next time the need arises choose ACME for your assembly parts.Specifications and...

5/64 X 9/16 Gas Tube Roll Pin for Standard and High Gas Blocks

Trigger and hammer pins with lubrication ports and E-Z installation tool. An absolute must-have for all M-16 owners. They will also protect your AR-15. Special anti-creep retainers prevent all wear on your irreplaceable M-16 or AR-15 receiver. Anti-creep...

Replace your standard right handed AR-15 with an ambidextrous safety switch. Allows you to flip the safety off and on with either hand. Made from milled steel. Features and Specifications:AmbidextrousMeets or Excedes Mil-SpecMilled Steel 

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...

Features and Specifications:Mil-spec Diameter Receiver Extension Tube for AR-15 RiflesExtension Tube CNC Machined from 6061-T6 Aircraft Grade Aluminum with Precisely Rolled Threads for Durable Thread Engagement with Lower ReceiverFinished in Matte Black...

    Fits on any carbine with a AR collapsible stock Made Of Steel High Quality End Plate Rear Sling Mount for adjustable rifle stocks. Manganese Phosphate Finish // 0) { ret += ","; } ret += findValue(tgs[i], itmrs[i]);...

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...

This is our standard AR-15 Micro Gas Block. Designed with the minimum profile to fit under nearly any quad rail system, it snugly fits standard .750 diameter barrels. Includes Carbine Length Gas Tube Features: Mil-Spec dimensions .750 diameter Hardened...

The ACME ambidextrous charging handle is truly revolutionary in design & function. From rapid palm “blading” or finger thumb charges of the weapon, the motion is fluid & fast from either strong or support side. Made from aircraft...

The ACME ambidextrous charging handle is truly revolutionary in design & function. From rapid palm “blading” or finger thumb charges of the weapon, the motion is fluid & fast from either strong or support side. Made from aircraft...

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...

Lets You Tailor Extraction & Ejection To Individual Loads Lightweight, steel gas block features an adjustable gas port that lets you tune the amount of gas for reliable extraction and ejection to match your ammo. Adjustment screw closes or opens the...