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AR15.COM
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3/16/2016 12:39:53 AM EDT
http://masterpiecearms.com/shop/mpa20dmg-9mm-carbine-all-aluminum-lower/

I've never heard of this company nor this particular gun.
Anyone have experience with them?
3/16/2016 7:00:31 AM EDT
[#1]
I have the mini 9 that takes sten mags and the M 10 that takes grease gun mags. I recently bought the carbine conversion for the .45 and opted for an AR collapsible stock instead of the one it comes with.
Both are very reliable and surprisingly accurate. I'm happy with both especially the price I paid.
3/16/2016 9:21:24 AM EDT
[#2]
I went to the factory here in Georgia two weeks ago to have my MPA 930 worked on. The technician Allen was very knowledgeable and helpful and did everything in 20 minutes. He removed the 3" barrel and installed a 7" one. He also installed a trigger shoe for free and udated the internals. I was having jamming problems the first time I shot it and he told me that TAPCO had made some bad batches of poymer magazines. The lips should measure .360" plus or minus .005" right at the top just aft of the ramped up part of the lip. Turms out 5 of the 6 brand new mags were bad. They offered to exchange them but I asked for the 17-rnders that they make from the 30-rnd Tapco mags and they gave me those instead. I figure I would rather have 17-rnds in the polymer since they are not reinforced with metal like the Glock mags and willhave less pressure exerted on the plastic feed lips. (I bought metal Sten mags for the 30-rnders). Anyways Allen took it out to there back berm and shot 20-rnds through it to make sure it functioned. On top of that they gave me full credit for the 3" barrel of $36 and decucted that from the cost of the 7" which is $99. So for less than $75 I got a longer barrel installed. My next step is to install an AK front sight and a picatinny rail just aft of the top cocking handle. With a Burris TRS-25 and a folding Sig Brace I hope to have a fun plinker for the wife and kids.
3/16/2016 3:40:24 PM EDT
[#3]
I thought one of those would be fun as a suppressed sbr. However I shoot left handed, and am concerned about gas blowback and ejection path. Any idea about those?
Thanks.
3/17/2016 9:00:52 AM EDT
[#4]
They are a great company that make high quality MAC's along with several other guns.
3/17/2016 9:21:23 AM EDT
[#5]
I want to take one of the glock mag versions and put a shockwave blade on it.
3/17/2016 4:07:59 PM EDT
[#6]
Quote History
Quoted:
I want to take one of the glock mag versions and put a shockwave blade on it.
View Quote


I build one of the 930DMGs with a shockwave on it and a folding adapter. Without a suppressor, it fits in a lunchbox. It's been absolutely reliable, accurate and fun. Suppresses really well, even with a small-diameter pistol can.
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