Upper Parts
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AR-15 Ambidextrous Charging Handle Assembly Aluminum
ACME Machine
MSRP: $29.99Price: $23.99The 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...MSRP: $29.99Price: $23.99 -
Pistol Length Gas Tube Stainless Steel
ACME Machine
MSRP: $14.99Now: $4.99Was: $14.99Pistol 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...MSRP: $14.99Now: $4.99Was: $14.99 -
Low Profile Micro Gas Block .750
ACME Machine
MSRP: $19.99Price: $15.99This 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 .750 diameter Hardened Steel construction...MSRP: $19.99Price: $15.99 -
Low Profile Micro Gas Block .750 and Carbine Length Gas Tube
ACME Machine
MSRP: $24.99Price: $19.99This 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...MSRP: $24.99Price: $19.99 -
Mid Length Gas Tube Stainless Steel
ACME Machine
MSRP: $14.99Price: $11.99Mid-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...MSRP: $14.99Price: $11.99 -
AR-308 Ambidextrous Charging Handle Assembly Aluminum
ACME Machine
MSRP: $29.99Price: $23.99The 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...MSRP: $29.99Price: $23.99 -
Carbine Length Gas Tube Stainless Steel
ACME Machine
MSRP: $14.99Price: $11.99Carbine 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 or your assembly parts.Specifications and...MSRP: $14.99Price: $11.99 -
Low Profile Micro Gas Block .936
ACME Machine
MSRP: $24.99Price: $19.99This 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...MSRP: $24.99Price: $19.99 -
Rifle Length Gas Tube Stainless Steel
ACME Machine
MSRP: $15.99Price: $12.79Rifle 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...MSRP: $15.99Price: $12.79 -
.750 Low Profile Adjustable Gas Block
ACME Machine
MSRP: $29.99Price: $23.99Lets 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...MSRP: $29.99Price: $23.99 -
AR-15 Charging Handle Assembly Mil-Spec Aluminum Matte
ACME Machine
MSRP: $27.99Price: $22.39Replacement component 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 upgrading existing components or...MSRP: $27.99Price: $22.39 -
5/64 X 5/16 Gas Block Spring Pin
ACME Machine
MSRP: $3.99Now: $0.99Was: $3.99Gas Block Spring Pin 5/64 X 5/16 For use with low profile gas blocks and A2 style Front Sight Base sight towers.MSRP: $3.99Now: $0.99Was: $3.99