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Old January 16, 2007, 08:51 PM   #13
44 AMP
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Join Date: March 11, 2006
Location: Upper US
Posts: 28,677
Hollywood BFAs

The permantly installed blank firing adapters are used by Hollywood for the purpose of cycling the gun without having a visible blank adaptor.

This usually consists of threading inside the muzzle and installing a restrictor. gun looks normal, but cycles (semi/full auto) with blanks. GI guns use an externaly attached BFA (painted red/orange) for easy recognition. I have fired M16s and M60 with blanks, and yes, they do get completely full of gunk from the blank powder. A real PITA to clean.

Some semi auto pistols can have their barrels replaced easily, and would seem to lend themselves to this practice, but in reality it is difficult to get them to function, BFAs don't work really well on recoil operated guns.
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