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Hahn Precision Greasegun .45 ACP Adapter

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Product Description

Converts the GWACS Arms MKII polymer receiver to accept 45 ACP Greasegun magazines. Locks into receiver when upper is fully closed and it is virtually impossible for it to fall out even if magazine button is accidentally pressed. No modification to magazines necessary. Olympic pattern system. Will NOT work with Mil Spec aluminum lowers.

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Product Reviews

  1. Best 45 ACP Conversion: 5 Star Review

    Posted by on Jun 5th 2014

    The assembly easy, parts were as good or better than Colt, performed without any issues. Easy to reach and responded with all the help in ordering and assembly. Would buy again purchase was easy. No adjustment of any kind required!

  2. Keep shootin grease gun adaptor 5 Star Review

    Posted by on May 10th 2013

    Worked very well. Very little tweeking necessary. Just cleaned the little bit of flash left in the mag well and it slide right into place.

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