mgkrs

I've got the freelance brass mag extensions and working great for me. Switched to an apex barrel and get 2" groups at 25. 3" at 20 is probably good enough for USPSA, but I understand always wanting better!

Post some pics!

Is that the plate for the RMR? If so, yes, I've mounted an SRO to my 1.0 CORE model before.

I do find I have to keep mine pretty clean to keep it reliable.

I'm curious, what barrel and trigger dude you upgrade to for the rpr?

I found holographic sights had a fuzziness and noise to it, similar to the dot from a laser pointer, are you not seeing that?

I have had to sand down my glock mags a bit so they drop free when full.

I'm surprised to hear ETS mags have worked for people, I've had consistent feed issues with both the 30 and 40 round versions, using plated bullets. They've all ended up hanging up in the middle for me, or feeding so slowly they cause a jam. I did clean them and spray some lube in there (tried both remington dry lube and wiping with oil), but eventually always had issues again. The smoother surface of the metal inside glock magazines has worked flawlessly feeding for me on the other hand.

That’s with lighter competition loads, ~130 PF. For higher power loads you’d want the HD buffer. https://www.blitzkriegcomponents.com/blitzkrieg-ar15-9mm-hydraulic-buffer-hd.html More spring and buffer recommendations in the description on that page.

The maxamundi recommended kit is: Kynshot 5020ss Buffer Smoke Components A5 Buffer Tube SpringCo Orange Buffer Spring .400″ Spacer for Short Stroke Tuning https://brekkecustom.com/index.php/product/maxamundi-carbon-buffer-kit/

I would guess the air buffer would feel softer and the scheel would be harsher but have less dot movement (and thus better for competition) - but I've never actually tried the Scheel. The Scheel would also be more difficult to pull charge at the beginning of its pull to overcome the rollers, similar to the Taccom Delayed Blowback Buffer, while the air buffer is the same pull throughout (except for the initial stick after sitting a while that I mentioned). I doubt any buffer is going to make a significant difference, though - the most commonly recommended setup is the blitzkrieg hydraulic buffer and that worked great for me for a long time and I know my scores haven't really changed with the new air buffer. I'm actually selling my blitzkrieg if you're interested.

Most commonly recommended setup is Blitzkrieg Hydraulic 9mm Buffer Standard with the short stroke buffer spacer and 308 carbine spring. I recently switched to the MBX Air buffer and found it a little bit softer. It sticks a bit when you first pull the charging handle if it's been sitting for a while, but it's been a non-issue otherwise.

Taccom sells a lead cutter cleaning tool for that: https://taccom3g.com/product/ulw-barrel-cleaning-tool/

That's a bummer if it doesn't work with the taccom bolt. Not sure how the buffer would cause that though. Do you have the buffer retaining pin still in? Could it be getting caught on that?

I ended up getting one and like it a lot - it definitely softens the blow of the bolt going back into battery. For comparison, I previously used a Blitzkrieg 9mm hydraulic buffer with the spacer buffer weight. The one issue I've run into is that when the rifle has sat for a while, the buffer o-ring seems to stick in the buffer tube a bit and takes some force to free up and can feel a little slow to move. I haven't had any issues shooting it in a match yet, though. Will it actually make a difference in my shooting and make me a shooter, though? Probably not, though that could be said for most upgrades.