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  1. Y

    AR-15 lite build questions

    Some random thoughts. Sometimes being a noob, but wanting to learn, means recognizing your requirements may be wrong. You may have started to notice that most people do not use adjustable cheek risers on ARs, because the charging handle needs to occupy the same space. Instead, select an optic...
  2. Y

    35 whelen precision mic set

    A note I forgot about easier die lock ring adjustment - I've been using these SAC lock rings on a couple of my precision rifle dies the past couple years, and really like them. They have marks around them that indicate .002" increments in die adjustment (put a reference mark on the die in...
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    35 whelen precision mic set

    Sorry for the delayed response; didn't get on the 'hide last night. Probably the easiest tool to find for this is the Hornady Case Comparator; use the .420" bushing for the 35 Whelen. It allows you to measure from the case head to a shoulder datum line (a ring around the shoulder, measuring...
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    35 whelen precision mic set

    Are you trying to set shoulder bump, or bullet seating depth? IMO there are better tools and/or methods for both, so no sweat if they don't make what you're thinking of. Asking because I load 35 Whelen too, but never needed that tool and could offer specifics on what works instead. A digital...
  5. Y

    Low Mass Operating Systems Setup

    Everyone seems to be sold out of the comp version of this buffer so I can't try it yet, but curious on your take - is it worth the ~$170 compared to the other decent captured buffer systems on the market? From what I can tell based on pics and description on their site, the primary difference...
  6. Y

    Low Mass Operating Systems Setup

    That's the conventional wisdom for sure, and I believed it for quite a while. My own experience hasn't proven that true though, and I'm one of those guys who rarely cleans my ARs. Out of about 20-ish rifles at last count, I think 7 or 8 of them have low mass systems of some sort, and once they...
  7. Y

    Do you use expanding mandrels after a full-length bushing die for neck sizing?

    It's interesting how much that ziploc bag lube method has caught on now; good to see other people enjoying the benefits. I didn't come up with it, but remember using it when very few other people did, maybe 6-8 years ago, and people were arguing silly stuff about it being slower and messier...
  8. Y

    10mm powder

    Compared to AA9? Interesting, I've always gotten exactly the opposite in regards to flash and velocity. What barrel length(s) are you using? I work with the G20 stock length a little but mostly with a 6.5" barrel for my old longslide gun. That could account for some differences in flash results...
  9. Y

    Low Mass Operating Systems Setup

    No, you won't get a softer recoil by going to a heavier buffer, if the rifle is already tuned correctly at the gas block. You will get a slower recoil impulse that actually moves the rifle more, not less. Very light reciprocating mass with proper gas tuning provides the least recoil IME. (That...
  10. Y

    10mm powder

    Why not use the AA9 for 200+gr bullets as well? It’s even better suited for those than the 180gr range, and IME better than 800X for both ballistics and ease of use, as well as low flash.
  11. Y

    Do you use expanding mandrels after a full-length bushing die for neck sizing?

    I do something very similar, both the spray bag (works great, and is the fastest way to lube larger batches of brass) and the rinse, although I use lacquer thinner and then light the brass in a metal pan to burn off the excess while agitating them. I’ve found that’s not only faster but also...
  12. Y

    10mm powder

    You’re looking at too fast of a burn rate, and want to be at Blue Dot or even on the other side of it. Unique isn’t even slow enough for full power 40 S&W, much less 10mm, and Herco isn’t that much better. AA9 is your huckleberry for real 10mm loads with flash suppression. That and AA7 both...
  13. Y

    Low Mass Operating Systems Setup

    You'll do better adjusting gas to delay that unlocking. And if you're already tuning the gas, IMO you don't need to adjust buffers as well. Lots of different opinions on this of course; this one is mine and works for the 20 or so ARs I'm currently using suppressed.
  14. Y

    6.5 Grendel Barrel Length for Hunting

    Huh, apparently I was going to post this a few days ago but forgot to hit submit; the forum saved it in the reply box for me so here goes: Agreed on not needing carbon fiber for the barrel. You also don't need an HBAR profile; shorter barrels are naturally stiffer than a longer barrel anyway. I...
  15. Y

    KRG Echo Chassis

    Yes. But not just that minor offset at the gap, but the way the forend slopes upwards compared to the rest of the stock when those lines were supposed to be aligned. KRG's own pictures don't show that, so the fact that the final product is misaligned, both before and after installed on an...
  16. Y

    Do you use expanding mandrels after a full-length bushing die for neck sizing?

    Actually I have experimented with that. When comparing unlubed case necks through a conventional FL die setup, to what you described (pushing the expander ball into the neck in a second op) I did get better results the second way in the form of less runout and increased accuracy. But no, that...
  17. Y

    KRG Echo Chassis

    I don’t think tightening the rear bolt has anything to do with it; I’m not talking about misalignment with an action, I’m talking about misalignment of the forearm to the rest of the stock. All the examples I saw were new right out of the box and not mounted to an action, but had very noticeable...
  18. Y

    KRG Echo Chassis

    Maybe it doesn't have that weird angle misalignment between the forend and middle section on the Bravo? What's up with that anyway? I was going to buy a Bravo this past summer but every single example I saw in person had the forend angled up slightly and the lines weren't aligned with the rest...
  19. Y

    Impact Wrench to install Action...For real?

    That's a lot of assumptions to reach that conclusion. Have you ever worked in a production environment for precision mechanical parts? I wouldn't make that leap, personally. Way too easy to have a finished product leave with impact damage that was never noticed, and impact damage isn't always...
  20. Y

    Gunsmithing How Rem Could Screw this Throat up this Badly?

    Mmm, this is not fully correct. Or at least not the complete and only explanation. Your initial assumption that barrels are generally chambered with the barrel spinning in the lathe and the reamer stationary is accurate, but the missing piece is that the reamer is generally held in some sort of...
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