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  1. M

    Magnum AR Project

    Velocity is 2820 fps
  2. M

    Magnum AR Project

    I tried the gun out this afternoon, here's what I found: With 2 rounds in the magazine, the bolt seems to short stroke. Sometimes it will eject the spent case at the 4-5 o'clock position, sometimes it will barely unlock from battery. It never picks up the next round, and I don't have a bolt...
  3. M

    Magnum AR Project

    New barrel with a .0625" gas port came in yesterday. Work's been busy, but I'm looking forward to getting it installed and trying it out soon.
  4. M

    Magnum AR Project

    Thanks for the info, I may have to experiment with this in the future. PM sent
  5. M

    Magnum AR Project

    Haven't had a lot of time to do some extensive testing, but here's a video I got of it last week. This is the 6.5 PRC upper, it works a bit better, but is still over gassed. I tried both the Griffin Armament +15% extra power spring, and standard AR 308 carbine spring, both seem to operate the...
  6. M

    Magnum AR Project

    Thanks for the replies. Here's a little bit more info on the current setup: The rifle has a milspec carbine buffer tube with a 22" barrel. The reloads are 200gr Hornady ELD-X with 60.5gr of H4350. I know it's at the upper end of things, but I want to make sure the system will work with...
  7. M

    Magnum AR Project

    Update: I've hit a snag after testing a new 300 WSM barrel this weekend. I believe the gun is still over gassed and the gas port in the barrel is too large, but I'd like some input on this theory. I have a SLR adjustable gas block installed with a +2 rifle length gas tube, I'll adjust it...
  8. M

    Magnum AR Project

    I'm going to try and get a short video this weekend. Yes...you might...
  9. M

    Magnum AR Project

    It's a CNC machined lower that I designed. I have a small machine shop along with a type 7 FFL, so why not. Yeah, the AICS mags need no modification at all, they work great!
  10. M

    Magnum AR Project

    I thought some of you would find the project I've been working on interesting. This is my AR10 style rifle chambered in 6.5 PRC and 300 WSM: The lower receiver is my design, it accepts AICS short action mags. The mags allow for slightly longer OAL for the 300 WSM and factory length 6.5 PRC...
  11. M

    looking to convert LR-308 DPMS gen 1 .308 barrel to 6.5 prc

    This is my own design. I've got a small CNC shop and type 7 FFL and spent the last several months modeling up a receiver (mainly because I just really wanted one). I've opened up the bolt face to .54 and modified the extractor in order to except the larger rims. I also wanted a more reliable...
  12. M

    looking to convert LR-308 DPMS gen 1 .308 barrel to 6.5 prc

    I'm in the process of making an AR in 6.5 PRC. I've got an upper in 300 WSM and have the last of the parts for the 6.5 showing up sometime next week, I'm hoping that it will work just as well as the 300 does.
  13. M

    AR 308 magazine maximum COAL

    No loads developed or gun yet, just doing some research before purchasing anything. This may be a dumb question, but do all AR 10s, and AR 308 style rifles except LaRue or KAC mags, or do some have too small of a magwell?
  14. M

    AR 308 magazine maximum COAL

    I'm looking for the maximum COAL for some AR 308 mags. From what I found from searching the net 2.83 seems to be the average, are there any others that exceed this? Also, can anyone tell me what the inside length of a 308 lower receiver is?
  15. M

    Scoping Michell's Mausers K98

    I haven't purchased anything yet. I thought about getting a commercial period Zielvier or Hensoldt, but I'm worried about the condition of these older scopes. Will they fog up / get condensation inside, or hold zero after lots of shooting?
  16. M

    Scoping Michell's Mausers K98

    I've got a Michell's Mausers K98 that I purchased a number of years ago that is also a pretty accurate shooter. I knew a little at the time about Michell's Mausers and how they may have done some false advertising on how they're guns are authentic, I didn't care...I still don't. I bought it to...
  17. M

    Gunsmithing 30-06 to 7mm mag?

    Hi all, I have a Remington 700BDL Mountain rifle I was thinking on getting re-barreled to a 7mm mag. Is it as simple as just installing a new barrel and bolt? If not, what needs to be done to make this happen? I'm pretty sure since it's already a long action that the bolt would just need to be...
  18. M

    I give up......

    Re: I give up...... Maybe some camo paint would make it look better???
  19. M

    .50 bmg rifle reviews

    Re: .50 bmg rifle reviews Hey, thanks a lot for the replies! From what I've gathered here and some other places, the weight, length and recoil seem to be the three that are most common. Did find some interesting articles on a company called Leader Propulsion that designed a 50 bmg system...
  20. M

    .50 bmg rifle reviews

    I'm not too sure on where to post this so if I'm in the wrong area, sorry about that. Anyway, I'm currently putting together a research paper for firearms of the near-distant future and I'm in the need of your help. What I need to know from civilians and military personal alike is what changes...
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