Compatibility Parts Chart for AR-15 and AR-15
Mil-Spec AR-15 Upper Receiver Parts | Armalite Style .308 AR. | DPMS Style .308 AR |
Barrel | Not Compatible | Not Compatible |
Barrel Nut | Not Compatible | Not Compatible |
Bolt Carrier | Not Compatible | Not Compatible |
Bolt Assembly | Not Compatible | Not Compatible |
Charging Handle | Not Compatible | Not Compatible |
Detachable Front Sight | Compatible | Compatible |
Detachable Rear Sight | Compatible | Compatible |
Ejection Port Cover Assembly | Not Compatible | Not Compatible |
Forward Assist Assembly | Compatible | Compatible |
Gas Block | Compatible | Compatible |
Gas Tube | Compatible | Compatible |
Gas Tube Roll Pin | Compatible | Compatible |
Handguard | Not Compatible | Not Compatible |
Muzzle Device | Not Compatible | Not Compatible |
Muzzle Timing Device (Crush Washer, Lock Nut) | Not Compatible | Not Compatible |
Upper | Not Compatible | Not Compatible |
Mil-Spec AR-15 Lower Receiver Parts | Armalite Style .308 AR | DPMS Style .308 AR |
Bolt Catch | Not Compatible | Not Compatible |
Bolt Catch Roll Pin | Compatible | Not Compatible |
Bolt Catch Spring and Plunger | Compatible | Compatible |
Buffer | Not Compatible | Not Compatible |
Buffer Retainer | Compatible | Compatible |
Buffer Spring | Not Compatible | Not Compatible |
Buffer Retainer Spring | Compatible | Compatible |
Buffer Tube | Compatible | Compatible |
Buttstock | Compatible | Compatible |
Castle Nut | Compatible | Compatible |
Disconnect | Compatible | Compatible |
Disconnect Spring | Compatible | Compatible |
Hammer | Compatible | Compatible |
Lower Receiver | Not Compatible | Not Compatible |
Magazine | Not Compatible | Not Compatible |
Magazine Catch | Not Compatible | Compatible |
Magazine Release Button | Compatible | Compatible |
Magazine Release Button | Compatible | Compatible |
Pistol Grip | Compatible | Compatible |
Pistol Grip Screw | Compatible | Compatible |
Pivot Pin | Not Compatible | Not Compatible |
Receiver End Plate | Compatible | Compatible |
Safety Selector | Compatible | Compatible |
Safety Selector Spring and Detent | Compatible | Compatible |
Takedown Pin | Not Compatible | Not Compatible |
Takedown and Pivot Pin Spring | Compatible | Compatible |
Takedown Pivot Pin Detent | Compatible | Compatible |
Trigger | Compatible | Compatible |
Trigger Guard | Compatible | Compatible |
Trigger and Hammer Springs | Compatible | Compatible |
Trigger and Hammer Pins | Compatible | Compatible |