5.56 Rifle Complete Upper is available as Tech III (forged receiver set) only. Tech III is constructed from high grade aircraft aluminum and Mil-Spec metals. This complete rifle upper is lightweight with tight tolerances and offers a fit and finish that is best-in-class. This complete upper weighs 4.2lbs or less, depending on the features selected. The following are typical rifle specifications:

2A Defense EAC Coated Bolt Carrier Group
2A Defense Handguard, 13.25" Angle, M-Lok, Billet 6061 Aluminum
2A Defense PGC Compensator
Forged 6061 Aluminum Upper Receiver
16.1" Barrel - 4150 or 416 stainless
Carbine Length Buffer Tube
Mid-length Gas Tube
Magpul ACS-L Buttstock