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Is there an interference issue with 556 charge handle using the Aimpoint M4S without the spacer? Can the Aimpoint M2/M3 type flip-up dust covers be installed on the M4S and where to source them?

Thank you!
 

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I've got an M4s mounted on flush on the 556 and it's not a problem at all.

Can't help on the covers, though.
 

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M4s do not use the flip-up covers like the M2s and M3s & related variants - the M4 comes with an Aimpoint factory supplied bikini cover....

The flip-ups were getting broken coming out of vehicles and banging through doorways, etc., so the military went back to old school (read: cheaper to issue as G.I.) rubber bikini covers...like the ACOGs use.

If you "have to have" them, send Aimpoint Customer Service and Sales an e-mail - they can tell you whether the other covers are compatible....

I like the flip-ups better [use them {GG&G} on the EOTech too] - the rubber cover on my ACOG smarms the lens up with rubber residue and I have to clean it more often - minor PITA but still....
 

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nwodone said:
Is there an interference issue with 556 charge handle using the Aimpoint M4S without the spacer?
...IMO there is the potential for one...i would suggest going with the Comp M4 instead...i have a Comp M4 mounted low without the spacer on one of my 556s and do not have any issues with it...it's a perfect fit !
 
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