Pistol is a recent production 43X (BMD serial prefix) equipped with an SCD and AmeriGlo GL-305 sights. The pistol *might* have 250 rounds through it. It was clean-ish and lubed with Slip EWL. A Shield Arms aluminum mag catch was installed last night. Today was an abbreviated vetting of the Shield Arms S15 mag.
S15 notes: After seeing some reports of the S15 failing to drop free and this being attributed at time to some residue on the exterior of the mag, I wiped mine down with some rubbing alcohol and paper towels. Sure enough, a light layer of some brown stuff came off. The mag body was a bit slicker once this was done. I pulled the innards, but there seemed to be little to no residue on the inside of the mag. The whole set up has a quality feel to it. Loading the mag by hand (no loader of any sort), those last two rounds are somewhat tough to load - but they do fit. Mag has no issues dropping free whether at slide lock or not. Bottom line: I had no problems of any sort with the mag (or pistol) - everything functioned as designed. Slide locked back on empty every time and had no failures to feed/eject. In fact, ejection continued to be consistent and vigorous (unlike some of my other Glocks).
First 15+1 through the S15 were 124 grain HSTs. I figured if the S15 would not function properly with carry ammo, there wasn’t much point to the mag at all. No issues at all. At seven, as well as 15 yards (second mag), these shot POA/POI in slow fire. This ammo is a hair snappy in the 43X, but by no means objectionable or obnoxious to shoot.
Then came some 147 grain FMJ Winchester Rangers (RA9147FMJ). 15 in the S15 and five in the factory Glock mag. No issues. Shot these a little faster so the “group” opened up some. Still not horrible POA/POI. These were pretty soft shooting and there were no feeding or extraction issues.
Lastly, two (maybe three) full (15+1) mags with some 124 grain FMJ Blazer ammo. One mag SHO, and at least one (but I think two) mags WHO. Again, zero issues with feeding/ejection.
So, not exhaustive testing by any stretch, but encouraging nonetheless.
ETA: The Shield Arms Mag catch seems to be nicely thought out and executed. I think it may sit a *little* more proud than the factory piece, but does not seem to be an “extended” mag catch in the traditional sense. The face has a nicely knurled surface which provides some grip without being abrasive. The edges around the face are chamfered. It played fine with both the S15 and factory Glock mag. Seems good to go.
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Originally Posted by Jay23
