Holes on front of Vietnam era Colt AR magazines? Universal Industries #shorts @TheColtFirearms

1 year ago
20

What are the holes on the front of a vintage 20 round Colt magazine or modern 20 round Okay Industries magazine for?

#colt #brownells #palmettostatearmory
#primaryarms #vietnam #vietnamwar #vietnamhistory #war #warzone #m16
#m16a1 #ar15 #armalite #universalindustries
#okayindustries #vintage #vintagefirearms
#vintagerifle #556 #223 #eugenestoner #wwsd
#Hartford #hartfordct #newbritain #newbritainct
#tactical #tacticool

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