Components

Barrel: 10.5" Parkerized 4150 Steel Heavy BarrelTwist: 1:8Caliber: 300 Blackout10" Free Float Handguard ACME AR-15 Upper Receiver ACME Charging Handle ACME 5.56 Mil-Spec Bolt Carrier Group Nitride C158 *Picture might show optional accessories

Barrel: 10.5" 416R Stainless Steel Heavy BarrelTwist: 1:8Caliber: 300 Blackout10" Free Float HandguardACME AR-15 Upper Receiver ACME Charging Handle ACME 5.56 Mil-Spec Bolt Carrier Group Nitride C158 *Picture might show optional accessories

Barrel: 7.5" 416R Stainless Steel Heavy BarrelTwist: 1:8Caliber: 300 Blackout7" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might show optional accessories

Barrel: 7.5" 4150 Black Nitride Heavy BarrelTwist: 1:8Caliber: 300 Blackout7" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might show optional accessories

Barrel: 16" 416R Stainless Steel M4 ContourTwist: 1:7Caliber: 5.56 Chamber15" Free Float HandguardACME AR-15 Upper Receiver 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might show optional accessories

Barrel: 10.5" 416R Stainless Steel M4 ContourTwist: 1:8Caliber: 5.56 Chamber10" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might show optional accessories

Barrel: 10.5" 4150 Parkerized M4 ContourTwist: 1:7Caliber: 5.56 Chamber10" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might show optional accessories

Barrel: 7.5" Black NitrideTwist: 1:7Caliber: 5.56 Chamber7" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 ACME Charging Handle     *Picture might show optional accessories

Barrel: 7.5" 416R Stainless Steel ContourTwist: 1:7Caliber: 5.56 Chamber7" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 ACME Charging Handle   *Picture might show optional accessories

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 diameter Hardened Steel construction Non-reflective, Matte...

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 diameter Hardened Steel construction Non-reflective, Matte...

This ACME exclusive Made in USA handguard brings all the flexibility of M-LOK®, for those who prefer the lighter, sleeker look of a free floating handguard. This handguard is made of durable aircraft grade aluminum alloy, and finished with a long...

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 Engagement with Lower ReceiverFinished in Matte Black Type...

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 large, button-style head and disengage the pin—no...

Pistol Buffer Tube is a highly functional addition to your AR-15, LR-308 pistol build. This buffer tube is machined to strict standards to provide an excellent fit and reliable function. The buffer tube is machined from 7075 aluminum and given a hard...

Angled Sling Mount - Sports Ambidextrous Dual Round Loop Single-Point Sling Adapter AR15 End Plate (AR Steel Ambidextrous End Plate with Double Sling Loop) is a dual loop single point sling adapter for 5.56 /.223 rifles. Angled sling adapter is easy to...

This ACME exclusive Made in USA handguard brings all the flexibility of M-LOK®, for those who prefer the lighter, sleeker look of a free floating handguard with the convienience of drop-in. This handguard is made of durable aircraft grade aluminum...

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...

Replace your standard AK-47 wood handguard with a precision-machined, hard anodized aluminum handguard. This rail is built from CNC machined aircraft grade aluminum alloy for strength and stability to provide a solid platform for enhanced optics.The rail...

This 6.5 Creedmoor chambered (DPMS style) 22 inch barrel is machined from 416R Stainless Steel with a bead blasted finish. Our Premium Series 6.5 Creedmoor Barrels are proof fired and MPI tested, ensuring the best in quality and accuracy. 6.5 Creedmoor...