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From: gregm%sail.labs.tek.com@RELAY.CS.NET (Greg Montgomery)
Newsgroups: rec.guns
Subject: AR-15 using 22's
Message-ID: <34751@mimsy.umd.edu>
Date: 21 May 91 22:53:45 GMT
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Organization: Tektronix Inc., Beaverton, Or.
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My friend purchased (with my help), a Colt drop-in for his AR-15.  This
allows the rifle to shoot 22 bullets insted of its normal load.  The problem
is that the 22 is not powerfull enough to knock the bolt back enough for 
repeated fire.  The drop-in was made by Colt, and it should work based on
the fact that the AR-15 is also Colt.  Does someone out there in Netland
have some advice on how to overcome this problem?