MagGuts +3 Conversion for Smith & Wesson Shield Plus-10 Round Magazine

CVN042
(65 customer reviews)

$33.95

This MagGuts conversion updates your 10 round factory Shield Plus magazine to 13 rounds and adds only a pinky extension at the front which tapers to almost nothing at the rear.  You get a much better grip by getting full pinky engagement with almost no sacrifice in concealment ability.

  • Extremely reliable feed and slide lock
  • Improved grip
  • Excellent ergonomics and appearance
  • Highest quality materials
  • 100% Made in USA

Uses our Patented ZeeSpring (#11,079,192) and Patent Pending hybrid follower.

This item is not available for shipment to California.

SKU: CVN042 Categories: ,

65 reviews for MagGuts +3 Conversion for Smith & Wesson Shield Plus-10 Round Magazine

  1. Justin (verified owner)

    Ran 200 rounds through them today at the range and they worked flawlessly!

  2. Anonymous (verified owner)

  3. John H. (verified owner)

  4. Gary M. (verified owner)

    This was for a Shield Plus. Although I use the standard SW 13 round extended magazines the 10 round is slightly smaller, but I needed a pinky extension. So when the +3 came out and had the pinky extension AND +3 rounds that matched the extended mag, so much the better. I just wish there was a + for the 13 round mag that did not add a physical extension.

  5. Paul F. (verified owner)

    Couldn’t wait for this product to be available. Installed very easily – completely filled magazine with 13 rounds. Going to cycle at the range to see how it empties and reloads. 👍👍👍

  6. Scott Delio (verified owner)

  7. JonPaul (verified owner)

    Guess it’s a good product but bought it for my EZ Sheild that holds 10 rounds of .30 super carry and it doesn’t fit. Grandson owns a Sheild will see if he can use it.

  8. David A (verified owner)

    This “ generation” of magguts much easier to install then older extensions. The faceplate means easier/ quicker install.

  9. Travis H. (verified owner)

    MagGuts have to be just about the best thing since sliced bread. When you’re used to carrying 14+1 in a 365XL, the standard 10+1 of the Shield Plus doesn’t feel quite adequate for daily carry. This brings the Shield Plus up to par without affecting concealability and even saved a magazine that I had lost the lock plate from. Definitely a must have.

  10. mike s. (verified owner)

    Very easy to install. Works smooth as silk.

  11. PHILLIP (verified owner)

    Does what it claims. Excellent fit and finish; better than OEM. Pay attention to the installation instructions.

  12. Greg (verified owner)

    This unit was a little bit more difficult to insert into the mag than are the Shield single stack units. Getting 13 rounds into the mag was easy the very first time. I have only had one outing so far to use this unit, and feed, function and slide lock all worked every time.

  13. Anonymous (verified owner)

    I ordered the +3 extension as soon as it was available and receive it just a few days later. Install was a little fiddly but not terrible. Mainly just keeping the spring compressed while installing the base plate. Loading up the full 13 rounds was easy. I put ~200 rounds through the magazine without any malfunctions.
    The extension adds just enough length up front for a full grip and greatly improved handling. Since I was expecting to pay around $20 for just a regular extension anyway, the price to also add 3 more rounds to the mag makes the $34 worth it.

  14. George (verified owner)

    Excellent conversion in the 10rd magazine making it 13rds. I never liked the 10rd magazine before since it left my pinky hanging off the bottom. Now with the MagGuts kit, the 10rd has a full grip with the bonus of 3 additional rounds.

  15. Ed Anderson (verified owner)

  16. Teddy Rivera (verified owner)

    Great product made an amazing shield + better very easy to install in the stock mag. Now I have 12+1×2 definitely a must have

  17. Ronald Drews (verified owner)

    The Brass screw or rivet that holds the mag plate in place has a tendency to let the plate slip over it. You should look into it and see if a screw with a larger head would help. Otherwise I like the flat spring.

  18. Randy Widdis (verified owner)

    Work great!

  19. Randy Eggleston (verified owner)

    Installment was easy and the fit is perfect. The spring and base plate are very well made and fit very well. The magazine loads well and the gun operates perfect with the conversion.

  20. Terrence M (verified owner)

    Awesome concept BUT you can manually push the baseplate over the detent without depressing it first. Shield plus 10+3 mag ext.

  21. Michael Labus (verified owner)

  22. Robert Burrows (verified owner)

  23. Kevin (verified owner)

    Very happy so far. Ran it in a class and it performed fine. I am taking it to the range later this week to run some drills with it and see if it is getting closer to be able to fall into my carry routine mag.

  24. Christen P. (verified owner)

    Great product, looks good, fast shipping and functions without any problems at all👍👍 highly highly highly recommend!

  25. Anonymous (verified owner)

  26. Jay D. (verified owner)

  27. Isaiah (verified owner)

    So far the conversion kit has been excellent. No issues with 115gr or 124gr.

  28. Eric Bagdikian (verified owner)

  29. Len G. (verified owner)

    Works beautifully, as expected, and shipping was fast! Just ordered 2 more for a different handgun.

  30. Anonymous (verified owner)

  31. Joe C. (verified owner)

    Converts standard 10 round mag to 13 rounds in addition to providing an enhanced grip vis a vis a place for your pinky finger.

  32. Wesley (verified owner)

    VERY finicky install but once it’s in there it works as advertised. Really wish the spring and follower were more easily attached/jointed to make installation easier.

  33. Patrick M. (verified owner)

    Fit and function is great. Magguts always work flawlessly in my experience.

  34. Robert W. (verified owner)

  35. Keith (verified owner)

    Easy to install. I was able to load 13 rounds into the 10 round magazine with no problems.

  36. Neil (verified owner)

  37. Luke (verified owner)

    Awesome product! Over 200 rounds fired using it and I’ve had no issues. The fact I can carry 14 rounds in a firearm of this size is frankly mindboggling.

  38. Rob G. (verified owner)

    Don’t wait, get this for your standard capacity magazine. It replaces the internals with an improved spring and follower, plus you get the bonus of 3 more rounds and an extended pinky rest.

    It’s stupid easy to install too.

  39. Eric B. (verified owner)

    Ordering is easy and shipping is quick. Relatively easy to install and works well. Although you can only contact them by email, customer service is relatively quick to respond and helpful.

  40. Myles C. (verified owner)

    Awesome. Love it fits my hand perfect.

  41. Patrick M. (verified owner)

    Works perfectly

  42. Anonymous (verified owner)

  43. Derek (verified owner)

    Quality product. Improves capacity and function of OEM mags. Now have the Magguts extensions on all my Shield mags. Well worth the price.

  44. Calvin (verified owner)

  45. Chalton V. (verified owner)

    Awesome product
    Reliable shot 500 rounds with no problem
    And I went from 10 rounds to 13 rounds and one in the chamber 14 rounds on my Shield plus

  46. David S. (verified owner)

    Easy to install and works perfectly. I really like the pinky extension. It gives me a better purchase without compromising concealability.

  47. Paul Willis (verified owner)

    Shield Plus, was carrying with the factory 13rd mag. Switched to +3 conversion for the 10rd factory mag. Initial impressions: much more comfortable to carry and to shoot. I’ve put 5 mag reloads, using Critical Defense 115gr or 115Gr FMJ, no issues or failures! Love the look and feel of the pinky extension.

  48. RONALD P. (verified owner)

    Wasn’t hard to install, and works !

  49. Asaf Shoham (verified owner)

    Brass button too low, bottom plate is opened and spring pops out after few rounds and mag change

  50. John L. (verified owner)

    Easy to install worked perfect

  51. Jonathan (verified owner)

    Outstanding – installed easily, loads easily, and carries 3 extra rounds with negligible loss in concealability. Stippling and finish match factory grip exactly. Put 100 rounds through without issue. Be sure to follow directions closely – I think some others that mentioned the baseplate coming off didn’t catch the note about ensuring the spring catch is on the outside of the magazine.

  52. Richard Wolfe (verified owner)

    This mag and follow run perfectly. I have shot about 200 rounds with no troubles! 👍👍👍

  53. Michael (verified owner)

    The +3s work great as I expected. Good job.

  54. Jarred B. (verified owner)

    Awesome product!

  55. Anthony Bahde (verified owner)

    Fast delivery. Easy directions. Great product. +3 rounds with minimal print.

  56. Brandon Smith (verified owner)

    Great product, highly satisfied

  57. Paul Campbell (verified owner)

    So far with 260 rounds not one issue I carry it in my most impossible firearm the one I use for self defense!

  58. Charles (verified owner)

    Excellent product for shield plus.

  59. Andrew M. (verified owner)

    Was a very easy install. Fast delivery.

  60. Robert (verified owner)

    Love this product!

  61. Taylor (verified owner)

    Bad before the good. Follower is kind of janky and can pop out of the top of the magazine a bit. With use it should loosen up and chill out. Installation was also a bit screwy. But it works as intended and does so reliably so far (about 200 rounds through the mag).

    This gives you the capacity of the OEM 13 round magazine but with a good bit trimmed off the backside. It’s easier to conceal and gives me a full grip. I recommend this for anyone that wants a smaller profile without sacrificing capacity.

  62. Steve B. (verified owner)

    I can put 13 rounds in the shorter 10 round mag is awesome! Function and reliability are great. I’ve put quite a few rounds through it with no issues. I will be upgrading all my 13 round mags with MagGuts as soon as they are back in stock!

  63. Tracy (verified owner)

    Install was easy enough. Next stop is the range…

  64. Roy Rhodes (verified owner)

    I received the product very fast. Installation was simple and easy with the detailed included instructions. I did have a minor issue and emailed my concern with quick response. They walked me through a few details to check to make sure I had installed the piece correctly. They determined it was a faulty part and was sent out a replacement part with a few days. Very happy with product and will purchase more items in the future.

  65. Michael Gallagher (verified owner)

    Haven’t tested it yet, but quality is good, easy install, loaded all rounds easily, really like the grip of the base plate..

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