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  1. Constructor

    Single vs 2 stage trigger

    Same with type of 2 stroke oil for motocross bikes.
  2. Constructor

    Single vs 2 stage trigger

    I think it depends how the user operates the trigger. Most when testing loads and shooting groups will let the trigger return forward all the way and they will get the full first stage. If shooting quick they only let it go until the reset and only have the wall/2nd stage. Mid 2000s there...
  3. Constructor

    Single vs 2 stage trigger

    Agree you can't hold back/followthrough with the SD-3G. They call it a hybrid 2 stage but it sure seems like a single stage with a lot of pre-travel built in for safety/good sear engagement.
  4. Constructor

    Centurion Arms Chrome Sandcutter Carrier

    It has angled slots through the rails to move crud out of the way. I don't know why we need one.
  5. Constructor

    Single vs 2 stage trigger

    What AR triggers break at under 1 lb?
  6. Constructor

    14.5" Geissele, Compass Lake or ??

    For 99% of the people the BCM will do everything defensively for less money.
  7. Constructor

    Single vs 2 stage trigger

    Most of what I see is guys getting DQed at 3 gun events for doubling, some were banned from the range for good. The original Timney springs weren't strong enough to set off CCI 41primers. 10 years later I tried 2 Rise triggers and both failed in less than 100 shots. I'm satisfied with the 14...
  8. Constructor

    Single vs 2 stage trigger

    If you want the best possible accuracy out of an AR that has a slow locktime you need to hold the trigger back after it breaks"follow through". Most single stage AR triggers you can't do that, they will either follow the carrier forward and you get a light strike where you must manually clear...
  9. Constructor

    sig mcx virtus barrel (weird?) hole

    One more thing to check, make sure the barrel clamp cross bolts are torqued correctly at every cleaning. After cutting and crowning the barrel I went to test today and the groups were 3-6. I tightened to 50in lb the other day from memory. Manual says 60 in lb, I went to 65 today, groups...
  10. Constructor

    Thinking about doing a small frame wildcat!

    I'll look around, I need to sort all of that stuff out anyway. If it's good brass, typical of Win 308/243 the primer pocket should should be fine with 6.8 dia, I've been running the 6.8 at 58-60k without problems. I couldn't guess the growth going from .400 to .224. If you can get the brass...
  11. Constructor

    Thinking about doing a small frame wildcat!

    Some of it is about seeing how good the idea is and knowing you came up with it. The 224 Predator is a 224 LBC/224AR/224Grendel for all practical purposes. People were putting trademarks on cartridge names so I didn't want to take a chance and use any of them. The cat had already been done...
  12. Constructor

    Thinking about doing a small frame wildcat!

    For the 6.8 diameter or Grendel? Those Titan bolts have a .124recess (.442 dia)but if you are making the barrel you can set the headspace however you like it. Firing pins are standard, extractors come from Black Rifle Arms in New Smyrna Beach.
  13. Constructor

    Thinking about doing a small frame wildcat!

    Yeah there's a box of them in the warehouse somewhere, 750XDs and 800 series too. The Titan bolts are sized for 7.62x39 or have a .124 recess. I'm sure I have some 800 series sized for the 6.8.
  14. Constructor

    Thinking about doing a small frame wildcat!

    I do it for lighter rifles. I have a 6.5 Creed built on DPMS G2 receivers that is a fuzz over 10lbs with a 22" fluted barrel and 30oz Nightforce but I would rather shoot my TAC 6 cat built on AR15 receivers that weighs 8lb 14oz. 95SMks at 2800 do pretty good. ETA- Around 2006 I necked down a...
  15. Constructor

    Thinking about doing a small frame wildcat!

    LWRC used 9310 to make the bolts, it was a secret for a long time but I found a document Lietner Wise(original owner LWrc) submitted to the army. Several of us have been using 9310 to machine bolts from since 2009. The 6.8 doesn't break bolts like the Grendel, 6mmARC or any cartridge of that...
  16. Constructor

    Thinking about doing a small frame wildcat!

    I agree, I missed the part about using a LWRC set. When those pmags came out I tried them and found with Grendel cases inside they bulge bad enough you have to hammer them into the lower receiver. A 5 or 10rnd mag may work, I was using the 30s.
  17. Constructor

    Thinking about doing a small frame wildcat!

    JGS for carbide reamers if you want them right but if only doing a few barrels HSS will last a while, Clymer or Manson would be fine for HSS reamers. I think you will need a lot of steps, I normally only neck down .030 at a time. You could use Grendel and 6mm AR dies when you get near those...
  18. Constructor

    12.5" Pistol/SBR caliber choices

    I think Hornady 110 HPBT, 115 Federal Fusion, S&B 110 PTS is better ammo. Pretty easy to get 1" at 100yds with those.
  19. Constructor

    Ruger SFAR small frame 308, 6.8 pounds

    It's a piston gun, can't compare that to a DI gun as far as apples to apples. Piston is closer to the port and has a different area within the cylinder. My Spear LT is a 5.56, was 16" and IIRC had a .052" port. Most carbine gas DI 16" rifles have a .0635" port.
  20. Constructor

    Ruger SFAR small frame 308, 6.8 pounds

    300 also uses faster burning powders than a 308.
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