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M40 A1 Question??

Charlie112

Herd Thinner
Full Member
Minuteman
Feb 28, 2017
714
889
USA
When looking at pictures of the M40a1 rifle, I see on the left side of the reciever there are two screws close to the area where a bolt release would be,I know they didn’t have left side bolt releases, just wondering what there purpose is?? I was on the GAP WEB SITE and you can see them very clear. Thanks Charlie 112
 
The sight base mount holes?
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