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Thread: Spikes/AimSurplus CHF upper - Has anyone shot this yet?

  1. #21
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    I have the spikes NiB trigger group as well and it's very nice!

  2. #22
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    Quote Originally Posted by jet80tv View Post
    Planning on getting this upper for one of my new spikes lowers I built up. I currently run a spikes NiB bcg in another build I thought I had some premature wear on the cam pin(905rnds on bcg) but upon further inspection it wasn't what I misperceived, spikes still sent me a new NiB cam pin which is nice because they probably cost $6-$7 more than a plain ole' parked cam pin. Any way function of the bcg lubed and unlubed has been great, cleaning easy, HPT/MPT. Is it the best bolt you can get? Well I have a parked, HPT/MPT Rainier Arms "Thunderbolt" that has had no problems to date either and cost $100 less, I like my NiB bcg though.
    The BCG was a big sell on this upper for the price with me, I'm a firm believer in anything that lessens the need for lube is a good thing.

  3. #23
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    Well I have also had it out at the range twice in the last two weeks. 300 rounds each day, with a total of 600 rounds of .223 American Eagle 55gr through the gun. Not a single double feed, stovepipe, FTF, FTE. I'm impressed with it.

    I did however make a noob mistake and lube the HECK out of it (as in it was bleeding oil out of the pins) thinking it was a good idea for the break in period. I cleaned it after each 300 round session, and boy does that NiBor BCG really make cleaning a breeze.

    It's a really nice piece to shoot, and as a side note the included spikes buffer does make the gun noticeably less clanky when shooting in a side-by-side comparison.

    fwiw, my brass always ejects at exactly 2:00. At first I thought it was great, but the more I read I'm beginning to wonder if maybe it's a little over-gassed. I'm not going to change anything because I'm a "if it works, don't fix it" kinda guy, but I just thought I'd throw it out there. The other reason I wondered is because the brass is consistently dented midway down the case. It's been hitting the crease of the shell deflector like clockwork, which I also understand to be an over-gas symptom. My next idea is to try and run a round that isn't as hot, such as some steel case wolf and see if it changes the ejection pattern at all.

    let me know what you guys think.
    Last edited by Reciprocator; 08-21-11 at 16:45. Reason: +ejection pattern

  4. #24
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    Did another 300+ today through mine.

    150+ WPA (Wolf 55 gr )
    150+ XM193F

    Shot only at 300 yards on 8" steel. ( did burn 1 mag at 600 and only got a Single hit with the WPA ) My hits with the WPA were around 50%, with the XM193 it increased to about 70%. Pretty damn good numbers for this trigger puller.

    I had no problems with either ammo or the gun. I was even shooting from CProducts mags.
    Last edited by JeepDriver; 08-21-11 at 18:49.

  5. #25
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    Quote Originally Posted by Reciprocator View Post
    Well I have also had it out at the range twice in the last two weeks. 300 rounds each day, with a total of 600 rounds of .223 American Eagle 55gr through the gun. Not a single double feed, stovepipe, FTF, FTE. I'm impressed with it.

    I did however make a noob mistake and lube the HECK out of it (as in it was bleeding oil out of the pins) thinking it was a good idea for the break in period. I cleaned it after each 300 round session, and boy does that NiBor BCG really make cleaning a breeze.

    It's a really nice piece to shoot, and as a side note the included spikes buffer does make the gun noticeably less clanky when shooting in a side-by-side comparison.

    fwiw, my brass always ejects at exactly 2:00. At first I thought it was great, but the more I read I'm beginning to wonder if maybe it's a little over-gassed. I'm not going to change anything because I'm a "if it works, don't fix it" kinda guy, but I just thought I'd throw it out there. The other reason I wondered is because the brass is consistently dented midway down the case. It's been hitting the crease of the shell deflector like clockwork, which I also understand to be an over-gas symptom. My next idea is to try and run a round that isn't as hot, such as some steel case wolf and see if it changes the ejection pattern at all.

    let me know what you guys think.
    Same ejection point on mine but I don't see that it's hitting the shell deflector at all on any of them. It was extremely consistent in it's empty placement, don't know if that is indicative of anything on an AR or not. I was kneeling and using a shoulder height rest at one point, and there was a 4x4 post at my 2pm about three feet away and every round in the mag hit that post and fell in a pile at the base of it, everyone kinda looked at it and said "huh". I like it myself, keeps from dinging the guy next to you if there is one. Seems like my old M1A did that years ago too.

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