NEW SPRish build

Discussion in 'AR-15 Discussion' started by AgentTikki, Apr 2, 2013.

  1. AgentTikki

    AgentTikki New Member

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    Here is a new build that I'm working on:

    18" Black Hole Weaponry SPR profile 1/8 .223 Wylde, rifle gas, polygonal rifling, stainless steel with black oxide exterior finish
    Samson Evolution Evolution 15" FF handguards.
    Effin A (Ares Armor) tuneable compensator
    Seekins Precision adjustable gas block
    Young's Manufacturing hard chrome National Match complete BCG
    Standard forged upper reciever.
    BCM VLTOR mod 3 Gunfighter Charging Handle (large)
    Magpul Mbus Gen 2
    Riflegear Forged lower (MEGA)
    PSA lower parts kit.
    YHM extended take down pin
    Geissele SDE
    Magpul BAD
    Magpul MOE+
    MAgpul Fixed Rifle stock
    Magpul Trigger Gaurd
    Standard Brownell's Rifle buffer.
    Primary Arms 1-4x20 optic
    ADM Recon extended mount.


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    Last edited: Apr 2, 2013
  2. AgentTikki

    AgentTikki New Member

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    Had a chance to take her out to the range this weekend. I was eager to try out the adjustible gas block on it. I would like to note that I was a bit surprised and worried during the install. My barrel is a Black Hole Weaponry SPR profile. Its .936 under the handgaurds and .750 by the gas block. The Seekins Precision GB just fell into place. All other gas blocks that I've installed required a little finagleing to slip and slide them into place. This one just slid right into place with no resistance whatsovever. Since it is held into place with set scres on the opposite side of the gas block, I thought that given enough pressure from the set screws the gas block would set and seal itself to over the gas port.

    Apparently I thought wrong. First shot didn't cycle. I tried using different magazines, different ammo, readjusting the gas block, moving the gas block, all with the same result. The BCG doesn't move. At all. I know have a very expensive bolt action AR. :p

    I called Seeking Precision today, and spoke at length to their Smith Matt. He was very cordial and tried to help me trouble shoot the problem. After going over all the things I tried to do with it, and voiceing my concerns about the looseness of the gas block, he though it best to send me a replacement. I'm happy that the are standing behind their product. They even agreed to send me another roll pin for the gas tube, and are footing the shipping both ways. Still a little miffed that I spent a range day with a single action AR but at least I got to play with the Scope.
     
    Last edited: Apr 2, 2013

  3. AgentTikki

    AgentTikki New Member

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    The PA 1-4x sfp scope which set me back a whole whopping $120 + shipping. I was amazed at the how nice it felt, solidly built, heavy for its size. I really was not expecting much as it was soo cheap, but I was happy with it. I got this scope for a the awesome price,to see if a 4x was going to get me out to 500 yards, and I know PA will take care of me. I know what some of you are thinking, why did you buy a $175 mount for a $120 scope. I am planning on upgrading the optice later, and love that with the ADM mount I can just change the rings on it to go from 30mm to 35mm or 1". Turns out I will have to use their CS after all.

    Sighting in was very easy, only took a few rounds. Soon I was put 5 American Eagle .223 55gr through one ragged hole at 25 yards, as I wanted a 25/330yard zero. Awesome right?

    Decided to bang some steel plates out at 200 yards, then 300 yards, then 400 yards. At 400 yards after figuring out the holdover I banged out 5/5. I was very satisfied. Mind you I was shooting this like a bolt action rifle. I am eternally gratefull I put a large latch BCM Vltor Gunfighter Mod 3 on it, as a standard CH would have been a pain in the ass. I set down the rifle on the back bench and turned my attention to my other new build, 16" DD barreled mutt(which was flawless btw). I then let my friend take it out to 300 and 400. Same results. I then decided to go out to 500 yards. My spotter told me that I was shooting way high. Weird right? I was soon holding over.....holding under my target at 500 yards a few inches under the target before I was hitting it.

    I brought it back to 25 yards and found that I had indeed lost zero. A five round grouping, still one ragged hole, was now a bit over 1" above point of aim. I just want to add that after zeroing I capped the turrets.

    I've called PA and was told that CS would give me a call back. I'm sure they take good care of me. Tho, I'm not sure if I'm gonna ask for the same replacement. I think I'm just gonna get a vortex 1-4x.

    I'll be back with updates! The day wasn't a total bust, I did get to spend a day at the range with my friends. It really was a good day!
     
    Last edited: Apr 2, 2013
  4. Quentin

    Quentin New Member

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    Wow, nice, nice, nice AT!!!
     
  5. Sniper03

    Sniper03 Supporting Member Supporter

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    Tikki,

    Very Nice!

    03
     
  6. AgentTikki

    AgentTikki New Member

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    Thx guys.... Just hoping that I can schedule some more range time to get out. And hoping ammo prices plummet. If only people will stop buying ammo......
     
  7. Quentin

    Quentin New Member

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    Yeah we've all cut back shooting over the last few months. I have a good stock of ammo but use it sparingly. Now with spring here I hope 9mm and 5.56 free up some. Right now 100 rounds of 5.56 is all I shoot during a trip to the desert or range. I shoot much more 22lr and 9mm now. Have to be careful with those too. I haven't bought any ammo since Nov.

    Anyway, I bet your SPR will shoot great!
     
  8. ZeusEcho

    ZeusEcho Member Lifetime Supporter

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    Very nice build tiki! A vortex will suit that rifle well!
     
  9. AgentTikki

    AgentTikki New Member

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    Ok, as per the advice of Seekin's smith, Matt, I measured the front section of my BHW barrel. It is .732". Is this normal? Within Specs?
     
  10. AgentTikki

    AgentTikki New Member

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    OK, just re-read the specs, the barrel is .750 under the gas block and .730 in front of it. I will have to take the handguards off and possibly the gas block off and remeasure it.
     
  11. AgentTikki

    AgentTikki New Member

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    Seekins Precision has sent me a new gas block, with a bunch of swag for my time (a patch and some decals). No return label hrm. They have quite the catalog too.
     
  12. AgentTikki

    AgentTikki New Member

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    Primary Arms CS just amazes me. I called in about my problems with their scope on Tuesday. I have a replacement 3 days later in my hands. Kudos. These guys are on the ball. I opted for an upgrade, and got a Viper PST. WOW what a difference in build quality and brightness. I'm almost afraid to take a look at the HD Razor series. How much better can glass get? I'll find out soon enough. I've been eyeing their razor HD (high density, no high definition heh) for a long range upper thats I've been planning. This thing is amazing. Can't wait to take it for a spin.
     
  13. Quentin

    Quentin New Member

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    Well heck yeh! If ya can't afford ammo then why not throw higher denomination paper at the optics!
     
  14. AgentTikki

    AgentTikki New Member

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    I know right! Seems to me, the more you know, the more you spend. :rolleyes:
     
  15. ZeusEcho

    ZeusEcho Member Lifetime Supporter

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    Viper PSTs are nice! Great Choice!
     
  16. AgentTikki

    AgentTikki New Member

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    Mounted the PST last nite, took a while to do it, getting the eye relief just right. Probably remounted it 8 times last nite, then figured out the relief changes as you magnify it, and had to remount it again >.< mental note, mount it on the highest mag setting.

    I'm glad I got the PST, its smaller, a little lighter, and the glass is a whole lot better. Its pretty amazing. I can't wait to go sight it in.

    Also added a Harris bipod on a QD last nite, and spent the night popping zombie heads watching Walking Dead Reruns. Oh What Fun!
     
  17. AgentTikki

    AgentTikki New Member

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    I have a request for anyone with a spare moment, or is working on their rifle right now.


    I took off my handguards last nite, and moved the gas block and measured the width of the barrel by the gas port. I measured 0.736". It seems to me its off by 0.14" should be 0.750" Can anyone else give me a measurement by their med contour gas block?

    TIA.
     
  18. Khromo

    Khromo New Member

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    ..........
     
    Last edited: Apr 15, 2013
  19. Quentin

    Quentin New Member

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    Sorry AT, I didn't open this thread until now.

    My PSA gov't profile barrel averages 0.751" between the pinned legs of the of the FSB. My calipers gave readings of .750, .751, .751 and .753".
     
  20. Quentin

    Quentin New Member

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    Ah, glad someone else replied, thanks Khromo!

    The PSA barrel is 0.676" in front of the raised area at the gas block. It's not really a gov't profile since it doesn't get to .750 except at the block, PSA calls it a lighter profile barrel. It's 0.625" under the handguards like a pencil but uses a standard gas block and doesn't drop back to .625 in front of the block.