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The MEGA GTR-3H Ambidextrous Billet Receiver Set was designed to complement the enhanced features of the MEGA rifle product line while retaining compatibility with most mil-spec accessories to give you the most options for completing your build.
All receivers are precision-machined from solid billet aluminum and are held to extremely tight tolerances and high quality standards to ensure consistent fit and function. With its ambidextrous features, light weight, and superior finish, the MEGA Billet Receiver Set is the perfect foundation for any rifle build.
MEGA Billet Receiver Set features:
Machined from American-made 7075-T651 billet aluminum
True black Type III Class 2 hard coat anodize
M4 feed ramps cut standard
Integrated and enlarged trigger guard
Generous flare-cut magazine well to facilitate quick magazine insertion
Ambidextrous bolt release
Threaded bolt catch for ease of assembly and disassembly compared to traditional roll pins
Review by Christian H. on 16 Jun 2022review stating QUALITY!
Fit and finish is excellent. Attention to detail on machining is also the most impressive I have seen on the MANY receiver sets I have used. 2A Armament is comparable. Some other surprise features that will make this a great build. Thanks!
Review by Paul P. on 30 Apr 2022review stating Outstanding
This Mega Arms receiver set is a work of art. I never handled a receiver set of this quality. Fit and finish or second-to-non. Only issue is that my Geissele MK16 rail will not fit. Rails with alignment tabs do not appear to be compatible. The upper receiver does a have an anti-rotation pin hole drilled into it allowing for rails that require the ...Read MoreRead more about This Mega Arms receiver set is a work
anti-rotation pin. Also be aware that the upper and lower are super tight. I had to use the tension screw on the lower receiver to separate the two. There is zero slop. Now 1 build has turned into 2 because I can't let a good Geissele rail go to waste. Read LessRead less about This Mega Arms receiver set is a work
Review by Christian H. on 16 Jun 2022review stating QUALITY!
Fit and finish is excellent. Attention to detail on machining is also the most impressive I have seen on the MANY receiver sets I have used. 2A Armament is comparable. Some other surprise features that will make this a great build. Thanks!
Review by Paul P. on 30 Apr 2022review stating Outstanding
This Mega Arms receiver set is a work of art. I never handled a receiver set of this quality. Fit and finish or second-to-non. Only issue is that my Geissele MK16 rail will not fit. Rails with alignment tabs do not appear to be compatible. The upper receiver does a have an anti-rotation pin hole drilled into it allowing for rails that require the ...Read MoreRead more about This Mega Arms receiver set is a work
anti-rotation pin. Also be aware that the upper and lower are super tight. I had to use the tension screw on the lower receiver to separate the two. There is zero slop. Now 1 build has turned into 2 because I can't let a good Geissele rail go to waste. Read LessRead less about This Mega Arms receiver set is a work
