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  1. erik72

    Looking for the FL peeps again

    This might be up your alley.... Rockler Woodworking and Hardware - Altamonte Springs...
  2. erik72

    Rock River Arms 17 HMR

    Very interesting. The bolt hold-open is kind of an issue with rimfire ARs. S&W and Kriss make magazines with followers that hold open the bolt catch just like the centerfire mags do. But to my knowledge they aren't making a 22WMR or 17HMR magazines. They may eventually get there. Did the...
  3. erik72

    Rock River Arms 17 HMR

    A measure of that may be true but I recall the big issue being blowback actions. There wasn't enough bolt-weight in early designs that would prevent blowouts. Semi-auto 17HMRs were pulled mostly for safety reasons. Alexander Arms and Bear Creek offer blowback actions but they've added a...
  4. erik72

    Gunsmithing Removing AR-10 Handguard: Revisited

    I just took one of these off my AR10 Can I get a barrel nut to swap it to an AR15?
  5. erik72

    AR-15 Rimfire conversion for NRL22?

    Hey man! I'm still hoping you are happy with that LW barrel? ;)
  6. erik72

    AR-15 Rimfire conversion for NRL22?

    Very cool! Did you have to modify the Sako barrel much to fit the TS collar? On the advice of "Exscoose" in another thread, I purchased a couple of those Chiappa adapters. To my eye, the fit up to the TS bolt nicely but I haven't laid the calipers on them. Congratulations on your re-barrel...
  7. erik72

    JP JPRFX 22 rifle

    Myself and another fella at RFC modified the CMMG bolt to work with KRISS DMK adapter. It just took a little filing to fit the rails. Works perfectly and you have all the aftermarket support of the CMMG bolt. There's a build thread on it at RFC.
  8. erik72

    Match barrel . . . Really?

    As a follow up to my earlier post here are some targets from this weekend. These were shot from 50-yds and you can see my set up. The lower has a Daniel Defense trigger. It's a pretty high pull but breaks very crisp. I'm not sure this is the right lower for the upper but it shot alright...
  9. erik72

    Match barrel . . . Really?

    Here's a link to some targets I shot last summer. These were the first rounds down that barrel, and I bet I still haven't got 500 rnds through it. Too many other projects going on. I need to get back out with this one and see if it continues to impress. I have some SK ammo to test with it...
  10. erik72

    Rock River Arms 17 HMR

    Which one do you have? I was very close to buying an Alexander Arms .17HMR upper several years ago and then I came across the Garrow DI version. Aside from the Savage SA offering, the direct blowback has been the only operating system available. AA seems to have the secret sauce but it's...
  11. erik72

    Need help putting together 22LR AR15

    This is awesome! I got a notification resurrecting this old thread. I'm dyin' to know if 68Hoyt ever did shoot that 18" Lothar Walther barreled upper I sold him. TimK...I've got a couple questions for you. What chamber did your 'smith use? I have several barrels with the Bentz chamber...
  12. erik72

    Maggie’s Motivational Pic Thread v2.0 - - New Rules - See Post #1

    More of her...please!
  13. erik72

    JP JPRFX 22 rifle

    I have the same expensive JP bolt catch. I can’t recall with mine but did it come with a replacement bolt catch spring? Mine works pretty well but I learned from using the Kriss version of the bolt catch on another CMMG upper that a lighter bolt catch spring is needed for reliable LRBHO. Kriss...
  14. erik72

    JP JPRFX 22 rifle

    JP makes some very nice stuff. Their uppers, lowers, and handguards are machined perfectly and just have a feel of quality...perfection. I love AR22s but I'm not sure I have $2,600 wrapped up in all of them that I have. I have an earlier JP bolt/barrel assembled. I have several...
  15. erik72

    JP JPRFX 22 rifle

    I think "Pursuit of Accuracy" did a similar video or two with a Kidd Supergrade. He always uses good ammo and gives it a fair shot.
  16. erik72

    Green Mountain CZ Barrel

    I'm not familiar with manzella. Is John at Keystone Accuracy still doing CZ barrels? I know he likes the Green Mountain blanks and he worked with Padom on some CZ group buys a couple years ago. It'd be worth reaching out to him.
  17. erik72

    .22lr barrels for AR platform

    I did exactly that way back in August. https://www.rimfirecentral.com/threads/borebuddy-1-12-ar22-barrels-preliminary-results.1269737/page-3#replies
  18. erik72

    .22lr barrels for AR platform

    I have a 21" Apogee Match Barrel. It has been shooting great for me. Next time I take it to the range I'll be sure to get some pics of targets at 50yds. It easily shoots 1/2-3/4" groups with your average ammo (CCI SV, CCI ARTactical, Norma Tac22 and Match22); not high end stuff but not the...
  19. erik72

    RRA National Match .22 upper

    I have a JP 22 upper which uses the same style bolt as the RRA. I also have a CMMG Bob Sled. I've never tried to see if the Bob-sled will work. These two platforms use the same magazines so it would make sense that it should work. Maybe you'd have to shave a little off the rails so it seats...
  20. erik72

    AR 22 LR upper scope?

    Without the chamber adapter or collar, then your barrel must look like this right? This is one of my Keystone Accuracy builds. It's interesting that someone else has taken the time do this level of machining. There is much discussion about the collars but I like NOT having one more piece...
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