ACME Machine Products

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. Features: Mil-Spec dimensions ...

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 .875 diameter barrels. Features: Mil-Spec dimensions .875...

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 .936 diameter barrels. Features: Mil-Spec dimensions .936...

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...

This fixture holds a gas block securly in place in order to assist in assembling the gas system for any AR-15 or AR-10. The block holds the gas block to allow the roll pin starter punch to start the...

Pistol 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...

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...

Mid-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...

Carbine 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...

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

Gas Block Spring Pin 5/64 X 5/16 For use with low profile gas blocks and A2 style Front Sight Base sight towers.

A2 Buttstock Spacer & Screw  

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...

Easy, Fast Separation Of Upper & Lower Receiver HalvesPivot and takedown pins with easy-to-grasp, oversized heads make separating upper and lower receiver halves fast and easy. Simply grasp the...

Easy, Fast Separation Of Upper & Lower Receiver HalvesPivot and takedown pins with easy-to-grasp, oversized heads make separating upper and lower receiver halves fast and easy. Simply grasp the...

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...

Features and Specifications:6 Position Mil-spec Diameter Receiver Extension TubeExtension Tube CNC Machined from 6061-T6 Aircraft Grade Aluminum with Precisely Rolled Threads for Durable Thread...

Features and Specifications:Mil-spec Diameter Receiver Extension Tube for LR-308 RiflesExtension Tube CNC Machined from 6061-T6 Aircraft Grade Aluminum with Precisely Rolled Threads for Durable...

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...

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...