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  1. Y

    Can I get some input on my suppressor short list? 2024

    Looks like a great can and I appreciate TBAC quality, but at 5.9 oz it's basically double the weight of my old Outback (2.9 oz) or a Warlock (3 oz). I've got no need for a full auto rating on a .22 can. Like I said, I favor light weight cans for a .22 pistol. This one feels a lot like a stock...
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    Gunsmithing Aluminum to steel bonding?

    Drill and tap would be the right way to do it. You could bed it with epoxy as well, but really not necessary for an iron sight base. That's a very similar style rear sight base as production Remington 700 rifles have used for many years, with just two screws holding it in place; no epoxy to be...
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    Can I get some input on my suppressor short list? 2024

    I gotta agree with that too. Sounds like OP bought something already - any update on how it worked out for you? Seems like it's hard to go wrong with the TB options. Personally I like really light .22 cans to maintain the right balance on pistols; never had a need for full auto ratings or...
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    Gunsmithing Aluminum to steel bonding?

    Obviously this depends how much of a ghetto bubba job the OP is trying to do. JB weld is pretty hard towards the ghetto end of the spectrum, not something I'd be willing to have or depend on for my rifles. Solder can work, but requires some practice to do a good job of it; if someone's wanting...
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    Gunsmithing Question on Freebore for 6.5 CM barrel

    The feed question with or without binder plates seems to depend on the action. I'm using the no-binder MDT mags with a couple of humble Ruger American actions and have no feed issues at all with both 6.5 Creedmoor and the much shorter 6mm GT. (I went without binder plates on the 6 GT just to...
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    Radial blow back vs blow back

    Good question - hadn't really thought about it before. They're marketed as 9mm mags so it'd be a "try at your own risk" situation of course, but I just loaded a handful of 40 S&W and 357 Sig rounds into one of them and it seemed to hold and feed them fine by hand. Being double feed there's a...
  7. Y

    Radial blow back vs blow back

    The extensions as they are seem to work fine, no issues. I've noticed some scratching on extracted cases as they rub against the sharp edge of one lug, but it's common to see the same thing in 5.56 too; easily fixed by polishing down that sharp edge. No other malfunctions to report. It seems...
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    Gunsmithing Question on Freebore for 6.5 CM barrel

    Seems to me for your load, either the shorter freebore or mags without the binder plate would be the way to go. I'm using the 145gr Match Burners in non-binder MDT mags though so it's hard to make a direct comparison. If I remember, I think my OAL is around 2.935" but it's been a while since I...
  9. Y

    Radial blow back vs blow back

    Most 9mm lowers have the ejector held in place with a set screw or something similar and can be removed. But if you noticed my comment about the Endomags, you can use any 5.56 lower with those. I like them better than Colt or MP5 mags anyway; they have the same feed advantages (still double...
  10. Y

    Radial blow back vs blow back

    The JP systems sounds like it's the premium way to go if you have the cash. But IMO this CMMG setup is like an MP5 but with a good AR trigger. On the B&T - hydraulic buffer or not, the heavy mass required of a straight blowback system is always a significant factor. Delayed blowback (whether...
  11. Y

    Radial blow back vs blow back

    I've got a 9mm CMMG guard (radial delayed blowback, or RDB) barrel & bcg in a standard AR upper & lower (carbine buffer & spring); it's so much better than straight blowback it's not funny. Recoil is really mild, unlike blowback guns where it's worse than 5.56 because of the heavy mass; this one...
  12. Y

    What are your techniques for muzzle device removal?

    Possibly, but IME usually a pinned & welded muzzle device will start to move slightly before stopping hard against the pin (or sometimes continuing to unthread, with more resistance, depending on the pinning method). If it's stuck tight and won't budge at all even with heat, it's probably a...
  13. Y

    Sidearms & Scatterguns Red Dot Dilemma

    If you're using the auto brightness feature though, then it's automatically dimming to conserve battery under your clothing. If not, that's just one more strike against manual brightness adjustments for a carry application. Although a P80 frame and cheapo cutout slide have no place in a good...
  14. Y

    Sidearms & Scatterguns Red Dot Dilemma

    That's the more recent selling point on green optics anyway. In practice, it doesn't matter unless your eyes prefer one or the other. If you're not screwing around with manual brightness adjustments (and most likely getting it wrong at least part of every day) the optic should be setting itself...
  15. Y

    "Big Gulp" feed ramps on small block barrel extensions

    Huh, that looks familiar. See old pic from one of my wildcat AR builds below; that one needed to feed big flat nosed bullets so got some very similar feed ramps. IME the oversized feed ramps are completely unnecessary on something like 5.56 or 6mm ARC, and they do give up some strength in that...
  16. Y

    What are your techniques for muzzle device removal?

    Nah. Bad call. A reaction rod is the way to go; any properly installed barrel extension can handle it (they're installed between 100-150 ft-lb* depending who made it, and often with red locktite too). If the barrel extension comes loose, it needed to be re-installed correctly anyway. The...
  17. Y

    Suppressors TBAC Ultra 338 Gen 2 SR vs Ultra 9??

    IMO it's not really worth going with a trust any more. It made a lot more sense before 41P; I did all mine that way back then too. But now it's very little benefit for a lot more hassle and wait time. Forgot to add - I got an individual Form 4 back (at my dealer, using a SilencerShop kiosk) in...
  18. Y

    Sidearms & Scatterguns Red Dot Dilemma

    Might want to try another RMR or send yours back to Trijicon for repair. They're supposed to adjust pretty quickly; all of mine do, and I've had a bunch of them. You do have to understand that the light sensor is pointed at an area above your target though (rather than directly above you like...
  19. Y

    Sidearms & Scatterguns Red Dot Dilemma

    A comment on battery life - with the Trijicon RMR optics, as well as the Holosun 507c models, I just change the batteries once a year whether they need it or not. I do it between my birthday and Christmas (about a 2 week window, easier than changing 10-12 optic batteries in one day) since that's...
  20. Y

    Suppressors Dead Air…

    I'm a big fan of the HUB mount system, since I make my own line of mounts that most of my rifles have on them. Pretty easy to make another female mount for a HUB system suppressor, and then it works on any of my rifles of the appropriate caliber & cartridge. Other than .22 and pistol cans I...
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