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Recent content by bellavite1

  1. bellavite1

    Barrett QDL brake on a Model 99?

    Hello everybody. I own a 32" Barrett 99 in 50 BMG. I have read somewhere that replacing the OEM Muzzle Brake with a QDL would redirect the muzzle blast away from the shooter (or at least reduce it). Can anyone confirm? If so, my basic understanding of physics suggests that actual felt recoil...
  2. bellavite1

    Griffin Armament Optimus 9 no blast baffle on a 308?

    Hello all. For the last few years I have owned a GA Optimus 9. Overall a decent purchase for my first suppressor. Where it fails miserably is on return to zero when I switch from the pistol/short configuration to the rifle/long configuration (with 308 GA says It requires an extension, the blast...
  3. bellavite1

    Is this POI shift somewhat normal?

    Update: After checking with a different shop, it turns out the threads were cut out of spec. Barrel had to be cut 0.60" and re-threaded, but what a difference: What you can see in the pic is 10 shots from cold bore, 100yds, the first five suppressed and the remaining unsuppressed. No POI shift...
  4. bellavite1

    Is this POI shift somewhat normal?

    Yup, 100 yds, don't hold it against me...😞
  5. bellavite1

    Is this POI shift somewhat normal?

    I have a Griffin Optimus 9 suppressor. I just got my .308 Rem 700 SPS Tactical threaded to play with it. Muzzle device is a Minimalist Flash Hider, also form Griffin Armament. I have noticed a fairly large POI shift, 6 MOA in elevation and about 1 MOA in windage between suppressed and...
  6. bellavite1

    300 Blackout: How slow cam you go?

    Tested with the can on, 8.5 gr of 1680 clocked at 767 fps. (10 rnds avg). It failed to lock open once, but it cycled fine. I think I may bump it up 1 gr to bring it to 850-ish and and call it a day (at least until I find a bolt action, that is...).
  7. bellavite1

    300 Blackout: How slow cam you go?

    Well, suggested load was 11.5 gr of 1680. I started with 11gr and worked my way down to 8.5. So far so good, round holes, bolt locks back, cycling the action just fine. So tomorrow i'll slap the can back on and chrono it. I should probably stop here, while I'm ahead...:unsure:
  8. bellavite1

    300 Blackout: How slow cam you go?

    Been there, done that... Might be a good call. I think I can skip the 11.5 gr load, 1123 fps sounds kind of fast for a "subsonic" load. Probably start around 10 gr and work my way down until it doesn't lock open anymore or looses stability. I wonder if it even possible that a load high enough to...
  9. bellavite1

    300 Blackout: How slow cam you go?

    Well, Lyman shows 220gr HPBT clocking 1123 fps with 11.5gr of 1680 from a 16". I am going to start at 8.5 and work my way up to where it cycles the action firing them at 25 yds on cardboard to check for nice round holes... No can, no muzzle devices, out of my 10.5". Once I get there I will...
  10. bellavite1

    300 Blackout: How slow cam you go?

    How far would you set that backer to get meaningful readings?
  11. bellavite1

    300 Blackout: How slow cam you go?

    So, I want to try to get to the lowest velocity that will reliably cycle my AR pistol. Sort of getting 45ACP ballistics out of a 300 BLK. Why, you ask... I have noticed quite a difference in sound going from 1050 to 970 fps, shooting suppressed. It obviously makes sense, less powder, less bang...
  12. bellavite1

    Muzzle blast shield for 50 BMG, anybody?

    Ok folks, I am putting myself at your mercy, and I fully expect to be ridiculed for the rest of my life, but here is my problem: I sold my last 50 when it caused (or coincided with) the onset of a bad case of vertigo that left me laying on the floor...
    • Thread
  13. bellavite1

    POI shift

    Matter of fact I did, I went as far as sending the scope back to Vortex for testing, but they couldn't find any issue (or at least they said they didn't). Either way I got them to replace it with a brand new one. No change...
  14. bellavite1

    POI shift

    Terry Cross, thank you. Now THAT was helpful!;)
  15. bellavite1

    POI shift

    Well, that was helpful...😝😝😝
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