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Posted: 11/28/2006 10:49:42 AM EDT
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A few questions from a newbie 9MM upper build. I have a Olympic lower with a DPMS 16" flattop M4 upper. I would like to build a 9MM upper to go with it for pistol carbine matches. 1. Can I use any upper receiver or does it need to be 9MM specific? 2. Can I use any 9MM barrel? 3. Are there any advantages in the different length barrels for my need? 4. What BCG should I use? 5. Do I still need to ramp the bolt if using it in a semi-auto setup? 6. I would like a magwell adapter that will lock the bolt open on the last round, which should I use? Thanks to everyone that can offer some assistance. |
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