JesseM Posted May 3, 2016 Share Posted May 3, 2016 The Gen1 ones are cheaper now ($45). The Gen2's can be had for $52. I guess they're trying to clear out the gen1s. What's the difference between Gen 1 and Gen 2 mags? Link to comment Share on other sites More sharing options...
alma Posted May 3, 2016 Share Posted May 3, 2016 (edited) The Gen1 ones are cheaper now ($45). The Gen2's can be had for $52. I guess they're trying to clear out the gen1s. What's the difference between Gen 1 and Gen 2 mags? https://youtu.be/Tp7WmEPyu_k Edited May 3, 2016 by alma Link to comment Share on other sites More sharing options...
JesseM Posted May 3, 2016 Share Posted May 3, 2016 (edited) The Gen1 ones are cheaper now ($45). The Gen2's can be had for $52. I guess they're trying to clear out the gen1s. What's the difference between Gen 1 and Gen 2 mags? They are very non specific about what exactly has changed between the two mags only that it would be more reliable to use Gen 1 Mags with a Gen 1 gun and Gen 2 mags with a Gen 2 gun. Curious. At least there is an easy way to ID the two though. An easy way to ID the two Gen guns too with the handguards. I am trying to convince myself the $1800 price tag for the carbine is worth it because I really want the lighter recoil of a gas gun. Edited May 3, 2016 by JesseM Link to comment Share on other sites More sharing options...
DocMedic Posted May 3, 2016 Share Posted May 3, 2016 I have access to both Gen 1 and Gen 2 mags, besides the OD color follower on the Gen2 the only real difference is the Feed lips on the magazines. I've ran the Gen2 mags just fine out of my Gen1 MPX and I ran a Gen 1 Mag in a Gen 2 MPX without no issue for 30 rounds as fast as I could pull the trigger, the Gen 2 Mags might have 30% more feed lip engagement then the Gen1's do. Also I believe the follower is cut a little different, I think its to match the last round ejecting / lock back that was changed on the Bolt of the MPX gen1 to gen2. Link to comment Share on other sites More sharing options...
v1911 Posted May 3, 2016 Share Posted May 3, 2016 I am trying to convince myself the $1800 price tag for the carbine is worth it because I really want the lighter recoil of a gas gun. Since when do we need to rationalize purchasing toys? Link to comment Share on other sites More sharing options...
photoracer Posted May 4, 2016 Share Posted May 4, 2016 Built an AR-9 from scratch in about 10 days. Some parts came from GB, PSA, Midway, some came direct and some I had around here. So far 100% flawless with everything from WM Fed 115 to 147 reloads. Have not tried NATO 9mm as yet. Don't really need the power factor. Link to comment Share on other sites More sharing options...
Alaskapopo Posted May 4, 2016 Share Posted May 4, 2016 Mag availability and cost was enough to tip me to JP. I just ordered some ETS mags to try out <$15. I put a Taran Tactical on one of my 33 round Glock mags, able to get 36-37 rounds, Taran told me don't need different spring used orig. Has worked flawlessly. Also put a Taylor Freelance +12 get 40 in that one my JP works fine with both.. If you try TF put a pair of safety glasses on LOL Thanks after seeing your post I put some on my Glock 33 round mags and they hold 35 easily and worked flawlessly. Pat Link to comment Share on other sites More sharing options...
JesseM Posted May 4, 2016 Share Posted May 4, 2016 I am trying to convince myself the $1800 price tag for the carbine is worth it because I really want the lighter recoil of a gas gun. Since when do we need to rationalize purchasing toys? When there are other toys I also want to buy. Haha. Link to comment Share on other sites More sharing options...
gose Posted May 11, 2016 Share Posted May 11, 2016 The Gen1 ones are cheaper now ($45). The Gen2's can be had for $52. I guess they're trying to clear out the gen1s. What's the difference between Gen 1 and Gen 2 mags? If youre LEO or have a C&R, you can get Gen2s for $40. Link to comment Share on other sites More sharing options...
BlueOvalBruin Posted May 14, 2016 Share Posted May 14, 2016 The Gen1 ones are cheaper now ($45). The Gen2's can be had for $52. I guess they're trying to clear out the gen1s. What's the difference between Gen 1 and Gen 2 mags? If youre LEO or have a C&R, you can get Gen2s for $40. From where? Link to comment Share on other sites More sharing options...
gose Posted May 14, 2016 Share Posted May 14, 2016 The Gen1 ones are cheaper now ($45). The Gen2's can be had for $52. I guess they're trying to clear out the gen1s. What's the difference between Gen 1 and Gen 2 mags? If youre LEO or have a C&R, you can get Gen2s for $40. From where? Brownells Link to comment Share on other sites More sharing options...
Snopczynski Posted May 14, 2016 Share Posted May 14, 2016 The new JP GMR-13 does lock the bolt back after the last round right? Link to comment Share on other sites More sharing options...
Brooke Posted May 15, 2016 Share Posted May 15, 2016 The new JP GMR-13 does lock the bolt back after the last round right? Mine does not and it is new Link to comment Share on other sites More sharing options...
Snopczynski Posted May 15, 2016 Share Posted May 15, 2016 Frick! Link to comment Share on other sites More sharing options...
BlueOvalBruin Posted May 17, 2016 Share Posted May 17, 2016 JP told me that LRHO was disabled to prevent over-insertion and damage to the glock mag. Link to comment Share on other sites More sharing options...
wgj3 Posted May 17, 2016 Share Posted May 17, 2016 Also prevents bolt catch from getting demolished by burly bolt pounding on it. I get the desire for "LRBO" in a "fighting" gun. But, for competition, its not needed at all. With 30+rd mags, you shouldn't EVER be empty/at slide-lock. Link to comment Share on other sites More sharing options...
Snopczynski Posted June 4, 2016 Share Posted June 4, 2016 I did a bunch of research this week and ended up with the Mpx. I'm changing the stock, muzzle device, trigger, and adding a badger latch to the charge handle on it. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
IntenseImage Posted June 4, 2016 Share Posted June 4, 2016 I did a bunch of research this week and ended up with the Mpx. I'm changing the stock, muzzle device, trigger, and adding a badger latch to the charge handle on it. Sent from my iPhone using Tapatalk Good choice Link to comment Share on other sites More sharing options...
Snopczynski Posted June 4, 2016 Share Posted June 4, 2016 I am pretty excited to shoot it this weekend Link to comment Share on other sites More sharing options...
DocMedic Posted June 5, 2016 Share Posted June 5, 2016 So if you remove the spring guide bottom plate on the Mpx mags, you can get 34 reloadable 35 total rounds per mag Link to comment Share on other sites More sharing options...
Snopczynski Posted June 5, 2016 Share Posted June 5, 2016 So if you remove the spring guide bottom plate on the Mpx mags, you can get 34 reloadable 35 total rounds per mag Are there any adverse side effects to doing this? Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
alma Posted June 5, 2016 Share Posted June 5, 2016 (edited) So if you remove the spring guide bottom plate on the Mpx mags, you can get 34 reloadable 35 total rounds per mag You can also get the Springer Precision extensions for 40 rounds. Edited June 6, 2016 by alma Link to comment Share on other sites More sharing options...
Snopczynski Posted June 5, 2016 Share Posted June 5, 2016 So if you remove the spring guide bottom plate on the Mpx mags, you can get 34 reloadable 35 total rounds per magYou can also get the Springer Precision extensions for 40 rounda. I have 2 of those on order. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
DocMedic Posted June 6, 2016 Share Posted June 6, 2016 I might order a SP MPX basepad in the near future when I decide to replace my CZ 75 ones. But for now being able to start with a 35+1 for USPSA without having to spend an extra dollar is nice. I haven't tried to load into one with 34 rounds but there seems to be enough room in the magazine since I'm not loading it 35 rounds to allow positive engagement. Link to comment Share on other sites More sharing options...
Snopczynski Posted June 7, 2016 Share Posted June 7, 2016 I can cram 35 in it, I just cut the piece off the floorplate and put it back in so it would like. I have springer extensions on the way though. Link to comment Share on other sites More sharing options...
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