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Dan Sierpina

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Posts posted by Dan Sierpina

  1. Is your barrel ramped?  I've been using Metalform or Brownell's 9MM mags (they are the same, the Brownell's are coated) and they just run. I do reload and have been for several decades. I guess I have a "feel" for the length of what will work. 

    Try 1 or 2 of the Metalform or Brownell's mag. Don't spend a bunch of money on mags before you try a small sample of them.

     

  2. On 5/12/2020 at 8:57 AM, cas said:

     

    Their Facebook seems to be working again and was actually updated twice this month. 

     

    On their website the Pre-order option for a Benelli lifter seems to be available again as well.  Though I am leery.  

    My track record for pre-order stuff is universally bad.  The J.Kenny lifter was probably my best experience with a pre order, meaning it actually came in less than two years. (The fact that it didn't work for me and I sold it for a fraction of what I paid has been the norm sadly.) 

    The MOA lifter works!  The owner had a hip replacement and it’s a small shop. You might have to wait a bit for the lifter or not.

  3. 22 hours ago, TonytheTiger said:

    I love mine. I wish the dot was Razor bright but thats my only complaint. I rank it between the PST gen 2 and Razor, but leaning closer to the Razor. For $815 its a hell of a scope.

    I thought about this scope, I don't like uncapped turrets, not for a scope with a BDC reticle.  There are a few "comedians" that play games. 2 friends that have run uncapped turrets have had their zero wander a hell of a lot. 

     


     

  4. 41 minutes ago, Southpaw said:

    Precision Delta 124gr JHP, 4.0gr of N320, 1.135" OAL. IIRC I got 1.7" group at 50, and I'm a mediocre shooter as you know 😊, so I'm sure it's capable of better than that. This is with a JP barrel, not sure if that length will fit a CMMG barrel, but if it will, and we ever have matches again 😀, let me know if you want to try some.

    I don't think it's just the barrel, but, the entire RDB system. I don't think it's reached it's full development yet. 

  5. 4 minutes ago, ziebart said:

    I tried to replace the extractor spring but it launched into orbit. Did manage to get the O ring in there and that seemed to help a lot

    I had Wolff extra power extractor springs as I use them in my normal AR's. Use a small screwdriver to push the large end of the spring into the extractor, they shouldn't launch on you that way.

  6. I've been following the threads on the RDB system with interest.

    I put a PCC together with a Leadstar Arms skeletonized receiver set and a parts that have been around mostly from 3 gun prize tables. I'm running the 16" barrel, with an Ace stock on a rifle length tube, Hiper Fire 24C trigger. I lowered the mag catch about .045 thousandths so the mags cleared the bolt. My Glock mags, I removed the taper so the bolt cleared with no problems, then took the step off of the follower so nothing hung up. Much like Les did. Magpul mags feed fine in it. I did make a coupler or splice for them, which allows 51 rounds to be loaded. 

    I haven't changed the extractor spring yet, but, did replace the ejector with a chrome silicone spring from Brownells. The ejector springs get compressed, and look like a worm after a short time, unlike the same spring in an AR with a centerfire round. I'll look at the extractor spring shortly. Honestly, I haven't shot the gun a lot. 

    I'm running a standard rifle buffer and spring at this time with no modifications. A Tubb flat spring is on the list to try when I get to it.

  7. On 2/29/2020 at 11:43 PM, TonytheTiger said:

    Keep us posted on 140's in a Grendel. I tried 130's and on paper the BC had it beating lighter bullets but in reality the speeds weren't enough to give it any advantage.

    Then I bailed on 6.5 and went 6mm Grendel.

    Whose barrel are you using and the twist on this?

  8. 11 hours ago, verla said:

    do all range finders require a reflective target to work-i.e, estimate distance?

    They are less picky if the target reflects the laser a bit better. At longer distances, a more stable range finder will deliver better accuracy, i.e. tripod mounted. 

     

  9. 28 minutes ago, avastcosmicarena said:


    Mostly 200-350 yards and in most likely. Haven't decided yet whether I would stick with 55 gr or get some 75-77gr for longer stuff. More concerned with just finding a good 55 gr option right now.

    Don't waste your time or money on targets out to only 350. I've been using Nosler Ballistic Tip  and Hornady V-Max out to 550 at Rocky Mountain 3 Gun for several years.  The only reason for more than 55 grain bullets are the matches that have a love of spinners.

     

  10. 2 minutes ago, HRider said:

    That would be fun. There used to be a rifle match in Birmingham that would allow Garands to just put one on paper to neutralize. With the CMP close by, they usually had a few guys shooting Garands. Man, will they rock an MGM flasher!

    Hurley

    A couple years ago, a mutual friend of 1Chota and I, tossed the idea of the Garand at me for us to shoot HeMan. A Model 97 or Model 12 in trench gun configuration  for the shotgun part would be one fun time. We'd both wind up shooting Benellis, rather than go nuts and broke on either of the Winchesters.

     

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