[SHOT 2016] Magpul Competition Length Glock Mags

Magpul will be releasing longer Glock mags geared for competition use. As a USPSA shooter, I have wondered why companies do not make their third party Glock mags for competition use. Well Magpul has addressed that.

They are coming out with a 21rd and 27rd capacity mag. In the competition world those fit strict criteria for magazine OAL restrictions of 140mm and 170mm, respectively.  The 21rd magazine will be $19.95 and the 27rd will be $21.95. These will be perfect for USPSA, IPSC, and 3Gun matches.

No word on a 32rd magazine.


Nicholas C

Co-Founder of KRISSTALK forums, an owner’s support group and all things KRISS Vector related. Nick found his passion through competitive shooting while living in NY. He participates in USPSA and 3Gun. He loves all things that shoots and flashlights. Really really bright flashlights.

Any questions please email him at nicholas.c@staff.thefirearmblog.com


  • sage

    Err, ETS tactical has 22 round mags for G17s for competition use, also meeting the 140mm length requirement.

    • Nate H

      But these are Magpul. Maaaagpuuuuuul.

  • USMC03Vet

    Confirming once and for all length is indeed a competition.

    • Anonymoose

      Except in this case, shorter with more internal capacity is better.

      • USMC03Vet

        That’s what she didn’t say.

  • Mike

    I assume these are 9mm.

    • BattleshipGrey

      Yes, I checked Magpul’s website last night. They’re labeled confusingly though. At first glance you’d think otherwise with names like PMAG 21 & 27.

  • hking

    The 170’s will be great for the 9mm major open glock guys.

    • Nate H

      9mm major Glock? Show me the Glock barrel with enough chamber support to run 9mm major. No seriously, this would be a much cheaper option than a $3,000 STI.

      • People were running 9mm Major in Glocks back in the days of 175 Power Factor. The trick is to not use the factory barrel.

  • Harrison Jones

    I wish they had mad the base plates more steam line. I’ll buy a few and try carrying them as a spare, but the base plate might rub my stomach to much.

  • BattleshipGrey

    I’m pretty torn between these or the translucent ETS mags.

    • Ergo

      buy both

  • thedonn007

    Dang it. I came here just to ask about a 33 round magazine.

  • J

    Very nice, but they should probably also do a 40 S&W and 45 ACP 140 and 170. I’d imagine that they will, sooner or later. The 45 market is ripe for this stuff. Offerings for them are are more “tactical” than competition, but today’s solutions are expensive and problematic. Magpul would be welcome.

  • meow

    ETS mags look cooler and show the rounds. Biggest gripe about magpie is the loss of the round count holes that Glock has. Maybe the perfection is in their magazines.

    • Ethan

      It still has witness holes – just on the side, and only the major milestones (10,15,20,27).

      • Nicholas C

        Not in the 17 capacity.

  • john huscio

    Magpul needs to kick it in the ass and get on some higher cap Glock 21/30 mags

    • Nicholas C

      They did. They designed the magazine extensions for the Glock 21 mags for the KRISS Vector. If you take one of the KRISS magazine extensions apart, it says Designed by Magpul

  • Nate H

    How’s the accuracy? I’ve found in my experience that Glocks can be less than perfect in that field. I suppose this being a different barrel is another story. I’m genuinely interested in this, I really wanna get in to open division shooting. Also, how well does the comp perform, say in comparison to a 38 Super?

    • LV-426

      Accuracy is great with most projectiles. Generally sub 2in at 25yds. I’ve shot everything from jacketed, plated, thick plated, lead, Hi-tec coated lead. All different bullets weights 90gr-165gr. This gun runs. 9 Major is great you can use most manufacturers brass (once fired factory stuff, then load and ditch em after firing major) Just needs to be sized correctly. Finding a load is a hell of a lot easier than in a 2011 platform gun. The comp works great, just need to give it gas. Springs are easy. Mags are easy. Everything is really painless, compared to trying to fight a 2011 that wont work correctly. I shoot Glocks in open and limited, and also Revolver. The triggers are not as good as a 1911 but everything else is for me. You don’t have to spend $2500 to see if you like to shoot open.

      • Nate H

        You da man!! I’ve been squirreling away money for a few weeks now to save up to buy an STI Trubor, but now I’ve been looking at G34s as a platform. With the money I’ve got saved up for that STI, in about another week I should have enough to do the complete build including the price of the gun. I’m not a huge Glock fan, but like you said, better than spending 2500+ to find out whether I like open or not. Seriously, thank you. One last thing tho; big compensator or small one?

  • Can I get some for a PPQ M1, please?

  • FourString

    That’s actually cool; this gives us more variety in magazine capacities as well!