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About chicoredneck

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  1. I’ve been running the hypertap now for a few months. The recoil reduction is amazing.
  2. That’s basically what they do. The problem arises with tolerance stacking. The barrel extension, barrel, bolt, and bolt carrier all have an impact on headspace and they all have an allowable tolerance level that is very small. But if you get two or more of these pets that are at have within this margin but not exact, you can start having problems with your headspace and other issues. To answer the OPs question, you need to headspace it with the actual bolt that will be used in the rifle to really know %100.
  3. What Rainydays says is true, but squaring the reciever face will help with precision even with a tight fitting extension. If the face isn’t square, the bolt lugs don’t engage the extension evenly and the round isn’t held in the chamber perfectly square. Also, if you don’t have a tight fitting barrel extension, you can bed it to the reciver extension. I just use blue locktite. That way I can still remove it, but even broken down under heat, it still provides structure to fill in the voids.
  4. I have used a lot of AR Performance barrels over the last 7 years. Overall, I have had very good success with them. My only caveat with them now is that I would not recommend their barrels unless you are running an adjustable gas block because they use .75 gas ports on everything.
  5. So far I like the comp. I haven’t drilled any of the ports, but the rifle stays flat with the current set up. I had some issues with what I think was either torque caused by the rifling, or the full power spring slamming the carrier home to hard. In addition to the TTI spring, I also added some lead shot into the buttstock compartment, which added a couple pounds. After these changes, the issues went away. Its the lightest and flattest shooting 223 I have ever shot.
  6. I threw in the TTI spring and it solved my problem. It’s amazingly soft shooting and cycles incredibly smooth!
  7. Actually, it’s also possible the bolt was outrunning the magazine, as cases were ejected, but nothing was fed. It didn’t have the issue initially, but after about 15 rounds it started occurring.
  8. Short stroking. When I threw in the rifle buffer the problem went away.
  9. Took the rifle out today for its first run. I tired Blockader’s buffer/extension tube method. I had a very flat impulse, but couldn’t get it to cycle reliably even with the gas all the way up. I’ll need to play with it more. When I dropped in the rifle length buffer with some of the weight removed it ran much more reliably, but it had slightly more recoil. The rifle stays very flat, but I’m excited experiencing more wobble than I like.
  10. I would still try a different optic if you have one just to rule it out. I have had several scopes fail right out of the box.
  11. Edwardc, did you try a different optic? Very often, if everything on rifle checks out, no bedding issues, scope mount issues, etc, the issue is with the scope.
  12. I broke down and bought the hyper fire. We’ll see how it runs. I also picked up a TTI spring to play with, but I’m confused as it’s ~2” shorter than a standard carbine spring.
  13. Similar to many of the posters, I use a plumb line and a leveled rifle. If you use this method, center the bore on your plumb line prior to leveling the crosshairs. Also, avoid using cheap small levels, as they often have some error. I know this by testing them against larger levels. You can buy small magnetic lelevs that will stick to your rifle, but test them against a good larger level before trusting them.
  14. That’s not what my post was insinuating at all. There are a few typing errors in my original post which maybe made it difficult to read. 55gr lead core bullets only need a 1/14 twist to stabilize, but that means they will be stable in any twist rate faster than that, which includes the common 1/9, 1/8, and 1/7. What I was saying is that if you use really cheap ammo with poorly balanced bullets (not perfectly uniform), a twist rate faster than what is needed exaggerates the imbalance and will cause degraded accuracy. The reason most classsic rifles have twist rates just fast enough to stabilize
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