Picked up the 45 Shield today after a missed cue by my FFL - that's okay, he's a combat-disabled Iraq vet and will get my business anyway.
The pistol is lighter than I expected but still looks like a tuppergun. I field-stripped and cleaned it thoroughly and found it to be a real simple machine. I would NEVER have figured out stripping had I not read the instructions, as you have to push a sear engagement lever into the mag well with a screwdriver blade to allow the slide to be pulled off forward. Those who have removed 1911 and High Power barrel springs and guide rods will giggle with joy at how easily the single unit comes out of these! The preservative was easy to remove - there were no chips nor manufacturing crud left in any crevices.
Mine is MA compliant, and has a safety. It is NOT one I would carry in the 'safe' position, as it is tiny and stiff (don't even think it!). There is a 'loaded cartridge' visual port on the top of the slide that you need lots of light to use. The manual also says +P ammo is fine in 45 and 9mm models, but I'm not thinking I need it.
Once clean, off I went to the range with Winchester white box 230 grain FMJ RN and Winchester red box 230 grain FMJ-FP. Right away I discovered the mags are not to be loaded by folks with weak or sensitive fingers! The first two rounds loaded like the 6th and 7th in a 1911 mag; rounds 4, 5, 6, & '+1' (as marked on the mag exterior) were truly unpleasant to load.
Once mags were loaded, I inserted and removed them several times to get the feel, then chambered a round. With a round chambered, I removed the mag with the extension and fired at the target - it fired perfectly. I did the same drill with the shorter mag with the same results - there clearly is NOT a magazine safety on mine, which makes me happy. Loaded mags were easy to insert and remove, as were empty mags.
The pistol was completely reliable with both FMJ rounds - I burned through 50 of each. The sights (3 dot) were dead on for elevation at 15 yards but 4 inches left. The groups were good for my old eyes, even rapid fire (the trigger was just fine, really 'shootable'), and better than with my S&W M49 using 158 grain +P LSWC-HP. Recoil was there, but no big deal - I expected worse. And delight of delights, the empties drop predictably 4 or 5 feet to the right in an easy-to-locate group! I lost exactly one empty in the weeds and gravel.
I need to run a few hundred more rounds through it, but expect this will be my most carried (but not on horseback) pistol.
Too bad I was too stupid to buy one when you could get them for $369 with a $75 rebate. Coulda, shoulda, woulda.