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  1. MarkLeupold

    Are My Expectations Too High?

    The BCM is pretty slim internally. Around where the gas tube goes into the block, I'd bet there's only about 3mm of clearance either side, maybe less...
  2. MarkLeupold

    Are My Expectations Too High?

    I'd honestly love if that's the issue, but I'm not convinced that mark is from shooting the rifle. 3-4mm of clearance seems like a LOT of barrel whip at the gas block
  3. MarkLeupold

    Are My Expectations Too High?

    Alright, little update here: Ordered some IMI 5.56x45mm 77gr, might get to shoot this weekend. Next weekend for sure. Checked scope mounting: all seems good. 15 in-lbs on ring screws and 45 in-lbs on crossbolts (Spuhr mount). The rifle is completely painted, like I said before, so it's got the...
  4. MarkLeupold

    Are My Expectations Too High?

    Shooting off bipod and rear bag when I'm shooting for accuracy. I've verified, everything is free-floating as it should be. I even tuned the gas tube when I did the install. Muzzle device is a Smith Enterprises G6-A2 flash hider. Upper and lower have a bit of slop to them (how much does that...
  5. MarkLeupold

    Are My Expectations Too High?

    A little off topic, but I'm not gonna tell you otherwise :ROFLMAO:
  6. MarkLeupold

    Are My Expectations Too High?

    Always plenty of good information on the Hide. At this point in time, the to-do list is: Check torques on scope mounting Get some good, match ammo and test it. I can probably do that in the next couple weeks If that doesn't produce satisfactory results, I'll tear down the upper and re-assemble...
  7. MarkLeupold

    Are My Expectations Too High?

    And that's always been in the back of my mind. I'm no stranger to tolerance stacking. If I can't get it to shoot anything, I'll probably tear it down and start partially over. Your test was actually one of the reasons I thought the CORE was going to be a good option. So many people have had...
  8. MarkLeupold

    Are My Expectations Too High?

    I'll double check all the torques and gas system and get some good ammo to try. Maybe in the future my blaster ammo should be 55gr FMJ stuff. I'll have someone else get behind it the next time I'm out with my buddies. Of course, not resting on the barrel. Today was off a bipod. Dry fire...
  9. MarkLeupold

    Are My Expectations Too High?

    I would like to work up a load for this rifle, but like you said, there's been some issues getting components and my reloading room hasn't followed me in my move yet, so it'll probably be a little while.
  10. MarkLeupold

    Are My Expectations Too High?

    Noted. No more SS109/M855 for me 😂
  11. MarkLeupold

    Are My Expectations Too High?

    That's the first thing in my mind. I'll double check the Spuhr to be sure, but the whole thing's spray painted and it doesn't look like anything's moved.
  12. MarkLeupold

    Are My Expectations Too High?

    Disclaimer: Yes, I'm a decent shot. I've shot well under 1MOA with my bolt gun from the prone. Yes, this was my first AR build, but I'm pretty competent and handy so I feel like I assembled it to the best of my abilities. Context: Put together my first AR this past year. 14.5" Criterion CORE...
  13. MarkLeupold

    Buffer Weight Tuning

    Little update: dropped an H0/CAR buffer in the rifle, shot it today. Smooth recoil impulse, locked back on empty mag, no failures to feed, 4:00 ejection. Seems just about perfect
  14. MarkLeupold

    Buffer Weight Tuning

    Yep, went ahead and ordered a CAR this afternoon. We'll try that and if I need an H1, I'll just swap one of the tungsten from my H2 over to it. Only 50 rounds right now. Thanks for the offer, but I just went ahead and bought a CAR, this way I'll have options if I need to "build" an H1 for it
  15. MarkLeupold

    Buffer Weight Tuning

    While I'm mentioning this, I might as well since people will probably ask, here's the important stuff: Upper: DSA forged mil-spec Lower: 17 Design and Manufacturing forged BCG: Brownell's M16 mil spec Buffer: Aero carbine 6-pos buffer tube, carbine spring, H2 buffer Barrel: Criterion 14.5" CORE...
  16. MarkLeupold

    Buffer Weight Tuning

    I had seen plenty of people doing H2 stuff on midlength gas recently, so I figured it would be fine. Should've pin gauged my gas port just for fun before I installed I'm reasonably certain the gas block is centered on the port and the fit between the gas block and journal was really good. There...
  17. MarkLeupold

    Buffer Weight Tuning

    Okay, sounds like I'll be trying a CAR buffer next. Probably going to look into an adjustable or just changing the weights in my current buffer No, I don't have any other buffers right now. It might run the S&B with an H, but I'd prefer it a little overgassed with it since it seems on the hot...
  18. MarkLeupold

    Buffer Weight Tuning

    First AR-15 build went to its first range session this weekend. Criterion CORE 14.5" midlength Badger TDX gas block Brownell's M16 BCG H2 buffer, standard buffer spring Had consistent 4:00 ejection, about 7 feet from the ejection port. Some failure to feeds, never locked back on an empty...
  19. MarkLeupold

    5.56 Grouping Question

    Headwinds can be really tricky, because they usually move around at least a little bit. 5 degrees plus or minus is something many people don't really pay attention to (or could even notice if they're not looking for it), and in a crosswind it won't make that big of a difference. In a headwind...
  20. MarkLeupold

    34mm mount or rings direct mount to REM 700

    If you want direct mounting to the action, I've had good experience with the DNZ GameReaper mounts https://www.dnzproducts.com/product/game-reaper-remington-3/
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