Advice on viable all alloy M4/At platform as parts donor

Orange peel neil · Sep 18, 2021

I run a small mech eng company, and have been approached by a customer whom has design he wishes to have made. He wants as many actual genuine M4/Ar components where possible, most of which he has already provided. Tbh I have no insider information on which currently produced Airsoft rifles would prove viable upper and lower donors, and I was hoping someone could hopefully give a few ideas. The design provided fits inside the dimensions of the origin rifles ok, with the receivers basically being only cosmetic, not load bearing. Hence I originally downloaded the dimensions of the firearms upper and lower receivers, and was going to fabricate items , but if existing models could yield receivers , it'd certainly be worth investigating, given they're only going to be cosmetic covers.

Thanks N .Blackman .

Fatboy40 · Sep 18, 2021

Cheaper than buying a whole rifle just to throw most of it away... https://www.ak2m4.co.uk/external-parts/metal-body

Orange peel neil · Sep 20, 2021

Many thanks, think you've just saved me many hours , and the customer much dollar..

Very much appreciated.

Rogerborg · Sep 20, 2021

Sadly, the issue is stock levels, which remain very low everywhere in the UK, whether for receivers or whole items.

@ak2m4 is a stand-up guy though, and will give you an honest answer on availability and lead times.

ak2m4 · Sep 21, 2021

@Orange peel neil external parts like receivers are costly getting into the UK in large numbers at the moment, your best bet is to try one of the HK stores

Lozart · Sep 30, 2021

Orange peel neil said:
I run a small mech eng company, and have been approached by a customer whom has design he wishes to have made. He wants as many actual genuine M4/Ar components where possible, most of which he has already provided. Tbh I have no insider information on which currently produced Airsoft rifles would prove viable upper and lower donors, and I was hoping someone could hopefully give a few ideas. The design provided fits inside the dimensions of the origin rifles ok, with the receivers basically being only cosmetic, not load bearing. Hence I originally downloaded the dimensions of the firearms upper and lower receivers, and was going to fabricate items , but if existing models could yield receivers , it'd certainly be worth investigating, given they're only going to be cosmetic covers.

Thanks N .Blackman .

Which parts has he provided? You may need to look at specific airsoft receivers to fit with the milspec parts!

markibod · 2026-02-19T12:12:56+0000

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Advice on viable all alloy M4/At platform as parts donor

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