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  1. .505gibbs

    55’s not fully cycling in 223 Wylde 18”

    Would warranty that
  2. .505gibbs

    55’s not fully cycling in 223 Wylde 18”

    That’s definitely less than ideal. I would hope Geissele
  3. .505gibbs

    55’s not fully cycling in 223 Wylde 18”

    Glad you found the issue! It’s caused me more than my fair share of head scratching before. Like you said the last fucking place you would think.
  4. .505gibbs

    55’s not fully cycling in 223 Wylde 18”

    I should have elaborated a bit more on that last point. Take the proper sized driver and give it a good turn like 40-50 in lbs. I’ve seen broken screws where the head is held in by the staking and appear good with a visual inspection.
  5. .505gibbs

    55’s not fully cycling in 223 Wylde 18”

    Don’t know if it’s been mentioned yet, but did you check your gas key screws/bolts? They may not appear to have backed out but it doesn’t take much to let a lot of gas escape if they aren’t actually tight.
  6. .505gibbs

    RL-16 temp stable?

    When you think about it’s only 51 mph 😆 But on a serious note it could just the relative humidity of the powder. When I have multiple 1lb bottles of the same lot I usually combine them into one container to avoid unwanted issues. 75 fps is still quite a lot for just changing bottles. I’d run...
  7. .505gibbs

    RL-16 temp stable?

    Something is off then. In my experience the newer Alliant powders are solid in the temp sensitivity department. Did you use a different chronograph to measure? Not that it should make a difference if both are functioning correctly. Definitely not a 75fps difference.
  8. .505gibbs

    RL-16 temp stable?

    What was different about the ammo you shot today vs your previous ammo and data collection? Was it virgin brass from the first data point, different powder lot, different lot of bullets, similar bore conditions? A slip up on your reloading process?
  9. .505gibbs

    55’s not fully cycling in 223 Wylde 18”

    I vote it’s over gassed already unless it has a very small port like .062 or something. If I read correctly this is a mid length gas 18 inch barrel. I would go h1 as a minimum for a buffer. Does this happen with quality factory ammo as well?
  10. .505gibbs

    223/5.56 battle loads 14.5” gun

    Like many have already mentioned, 24 grains of TAC is a great load with a 77smk. In your 14.5 you will likely see 2630 to 2650. I had the same conundrum as you recently with a 14.7 fn mid gas. I put it together as a sort of recce rifle but still wanted some speed with the heavier bullets. TAC...
  11. .505gibbs

    Weird Accuracy Issues with AR Build

    Are you sure your scope mount is good? I had a Bobro that likely cost me a thousand dollars chasing other components and ammo.
  12. .505gibbs

    New AB phone app on the way?

    It’s working correctly on my other phone but didn’t import any of my previous profiles. It recognises me as a registered user but there is nothing there. That’s not a huge deal if I have to go back and recreate my profiles, I only had 15 or so.
  13. .505gibbs

    New AB phone app on the way?

    Another example, only need to come up .18 at 800 from a 100 yard zero. I’m going to try and deleting the app and reinstalling it again. I’m also going to try it on my work phone to see if I can get it to cooperate.
  14. .505gibbs

    New AB phone app on the way?

    Everything was Sight height is set to 2.75. Twist is 7” right hand.
  15. .505gibbs

    New AB phone app on the way?

    The first pic shows the solution it gives and the second is the inputs. It’s telling I need to come down from a 50 yard zero. I mean it should be nearly zero at 220. All of my profiles are like this. They were all brought over when I updated and I’ve gone through and checked everything.
  16. .505gibbs

    New AB phone app on the way?

  17. .505gibbs

    New AB phone app on the way?

    What am I doing wrong with this? The drops are all over the place and in no way correct. I’ve gone back through and checked everything that was transferred over and it won’t give me a correct or even consistent solutions.
  18. .505gibbs

    KAK products

    I bought an upper from them recently, it was their rifle length gas 16”. Can’t say I was overly impressed with the handguard. Not that it felt flimsy, but the finish looked like it was powder coated. It also didn’t index correctly with the upper. The only way to fix that would be to remove...
  19. .505gibbs

    Criterion barrels - Accuracy

    If you truly believe it is the barrel, contact Criterion. Their warranty/customer service is exceptional in my experience.
  20. .505gibbs

    .308 Federal GMM 168 grain Load

    Tac is a good powder. The only thing I dislike about it is you have to be right at the top end to get good results. I’ve had it shoot well at lower charge weights but es/sd were terrible. I’ve given up on AR Comp. With Alliants price gouging they can keep it. I started using Staball Match and...
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