Thomas M Posted November 22, 2018 Report Share Posted November 22, 2018 I have currently re engineered the reciever for a m3 m3a1 grease gun it's 3 pieces tube with mag well, pistol grip and lower and a 1 piece bushing for the barell so no flaring the tube. I built mine the working prototype in full auto.The kit can be configured for semi you put it together you need a welder and dremil .I supply everthing to build the reciever no holes .comes with instructions and pic Just steel.you use your bolt barell trigger requoil system. $600+shipping Eggrats@gmail.com 07ffl02sot Link to comment Share on other sites More sharing options...
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