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Upper & Lower receiver compatibility


No1Evo
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Posted

Hi, 

 

Does anyone know if the A&K M4 lower is compatible with a G&G upper?
 

Any info or help would be great.

 

TIA

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Posted

They are not. I don't think any different brand upper and lower are compatible. Many times even the same brands aren't if they are not from the same manufacturing time.

Posted
2 minutes ago, Samurai said:

They are not. I don't think any different brand upper and lower are compatible. Many times even the same brands aren't if they are not from the same manufacturing time.


This

Posted
21 minutes ago, Samurai said:

They are not. I don't think any different brand upper and lower are compatible. Many times even the same brands aren't if they are not from the same manufacturing time.

Perfect ?? saved me a couple of quid! Thanks ?

Posted

I’ve got a g&g lower knocking around somewhere I think if that’s what your looking for

Posted
4 minutes ago, mintsauce5 said:

I’ve got a g&g lower knocking around somewhere I think if that’s what your looking for

Certainly is mate I’ve been looking for one of a raider preferably and in black, it’s to go onto an ARP9

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Posted
On 14/09/2020 at 16:59, No1Evo said:

Certainly is mate I’ve been looking for one of a raider preferably and in black, it’s to go onto an ARP9

 

Well that almost definitely won't work without some fettling! Does the ARP9 use a standard V2 type box and hop unit? Otherwise it will almost certainly not line up.

Posted
1 hour ago, Lozart said:

 

Well that almost definitely won't work without some fettling! Does the ARP9 use a standard V2 type box and hop unit? Otherwise it will almost certainly not line up.


Yes, barring the FET

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Posted
Just now, rocketdogbert said:


Yes, barring the FET

 

I'm assuming the OP wants to convert his ARP9 to an ARP556 so if the magwell placement is OK then it might work but I'd have thought it would need an ARP556 lower to be spot on. I foresee feeding issues a-go-go!

Posted

This is the end product seems to feed fine so far. Seems to give a bit of a twang im

assuming that’s cause it’s a metal lower though? 

5CD425BF-7E25-4506-899D-7A3A570B4753.jpeg

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