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Your cart is empty.This unit replaces the magazine base plate on the SIG P365 (10 round magazines). This extension does not alter the capacity of the magazine. It adds approximately 5/8" inch additional gripping surface (1/4" longer than factory extension) as well as enhanced ergonomics. The enhanced gripping surface also incorporates a texture which closely matches the frame of the firearm.
Raj Patel
Reviewed in the United States on March 6, 2025
This is perfect for the p365. Sig should have made this design when they developed the mags. This adds just the perfect amount of grip on the magazine. I wear a large size glove and could only get 3 fingers on the factory mags. With the extension, it not only feels better, but I feel like I have more control when shooting.
Jesse LoVerme
Reviewed in the United States on May 6, 2024
What is there to say, this fits perfect and extends my P365 grip just a bit beyond the factory long extension and that little bit makes all the difference. If you have big hands like mine, don't think twice order these for all your mags and just toss the factory crap. For anyone who says it's harder to conceal with finger extensions, really it's a few mm's that makes you shoot better and you won't feel it. The local gun shop said this is their go to. Solid and amazing product for my mags
N. Parker
Reviewed in the United States on February 12, 2024
A little bit torn with this product. It's exactly what you need to make the grip more stable and easier to shoot. Took me less than a minute to install. Exactly as advertised. So as the product itself, it's 5/5 stars.The issue is that it's the same exact size as the 12 rounders with the long pinkie grips. So in a technical sense why not just have the 12 round magazines?Works for me though because I already had the 10 round magazines and if you already own them, this is a straight upgrade. If you do not own 10 round magazines get yourself the 12 rounders.Pictures are of the two 10 rounders with one grip installed and the factory 10 round.Other is grip installed 10 round next to a 12 round full grip magazine.
unidave199
Reviewed in the United States on November 7, 2024
This adapter is very comfortable and Sig makes it super easy to slip on. The profile doesnt print on my any moreso then the factory Mag extention. The only challenge I have is in loading the mag. I use a mag loader which requires me to stand the mag on a flat surface then I use the devise to load it. The sharp angle and rounded ridge makes the mag very wobbly so requres some extra care adn steps to load.
Luke Eighteen
Reviewed in the United States on November 20, 2024
Absolutely love these extensions. They are a couple millimeters longer than Sig's extensions and for those with medium to large hands they are perfect for getting full coverage with all fingers. 10/10 will continue to buy these for all my future mags.
jeremy
Reviewed in the United States on October 27, 2024
Was weary after reading some reviews but I’m impressed. Feels great like the extended base plate that comes with the p365 except a little more space which makes it feel like the perfect size! Will be ordering more for sure!!!
sonomaboy
Reviewed in the United States on October 14, 2024
I don’t have large hands, but my finger would often slip off the OEM extension base plate during shoots. These Pearce extensions provide just enough real estate to give me a firm and comfortable grip and, best yet (and reason for installing them), made a significant difference in my groups. My P365 now feels like a larger frame model in my hand. As others have mentioned, the plates install and fit like the OEM. A little pricey for a small piece of plastic, but no complaint… going to a USA company. And my OCD wished there was matching stippling on the sides of the plates like the OEM. Hey Pearce… give me the stippling!
Endure161
Reviewed in the United States on February 26, 2020
A year after getting my P365 I still had not shot more than a handful of rounds with the flat-baseplate magazine. My hands are not large but the flat baseplate magazine did not give a secure grip. The factory extended magazine was much better and still concealed well. But, my most comfortable hold of the pistol was with the 12-round magazine. So I carried the stock 10-round mag with the extension but mostly shot it with the 12-rounder. I had good experience with the Pearce Grip extensions on other guns that I own. So I ordered two of these to upgrade both of the factory 10-round magazines. Installation took about a minute for each magazine.They fit well, look great, are easy for me to use in concealed-carry, and function flawlessly. The overall height of the magazines with the Pierce Grip is about the same as the OEM 12-rounder but they conceal about the same as the 10-round extended magazine. I could not be more pleased!
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