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mpom

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Posts posted by mpom

  1. Has anyone tried the Marine Spacer Tube for there 930's? Supposed to help with the short stroking issues. I just replaced and polished my carrier latch and replaced my recoil spring plunger, which fixed the issues I was having. I went ahead and picked one the the spacers up just in case.

    http://www.oregun.com/OR3GUN/about_or3gun_marine.htm

    Looks good and it seems like an improvement on the stock item, BUT its twice the cost I would be willing to pay when I don't have any issues with the lightest loads I have (1 1/8 oz at 1145).

    Not sure if its intentional or not, but the rusting shown in the video should not occur in the JM, AFAIK, as the mag tube is either SS or nickel/chrome plated. Can see the rusting occurring on a non JM 930, but the video describes issues with the JM.

  2. Has anyone tried to squeeze an SLR Rifleworks Clamp on Adjustable Gas Block inside a Samson Evolution Handguard?

    Yes, it worked fine. Had the Ranier Arms version of Samson Evo, which I think has almost identical dimensions as yours. No interference between SLR and handguard, but the flexing due to the mickey mouse attachment system bothered me, so went to the Ranier Arms Force handguard. NO movement and its lighter than the Evo.

  3. Those slugs are great. Pretty accurate, and low recoil. Of course, your SG has to function with them. They run great in my JM930, but it seems the recoil operation of the 3K needs a heavier or faster slug.

    Not a criticism of the 3K, just the nature of the beast.

  4. Checked and sure enough, tubes were not concentric. Not surprised as the follower stops at the junction, then continues after a short pause. I beveled the forward end of the fixed mag tube, with no improvement. After checking today, I took the Nordic factory extension and ground off around a 1/16" from the end screwed into the nut, thinking that long bevel on the inside of the section inside the nut would allow a shell rim to go off center and hang up. I tested the problem before the modification to the tube with a shotgun cleaning rod minus any attachment, and the end of the rod would hang up on the protruding part of the tube that acted like a shelf. After the mod, the cleaning rod had a harder time finding a shelf to hang up on. Not perfect but definitely better. No doubt Tom is on to something and I would be interested in a concentric nut at a reasonable price. More for insurance than to fix a malfunction.

  5. Not to mention a short fore end with no way to change that I'm aware of. I thought they operated on the same inertia system and similar weight of an M2, why would there be less recoil?

    Believe Vinci is gas operated, hence lower recoil.

  6. Planning on calling them Monday, as I had this in mind as well. They mention 930 synthetics on the web site, model 10201 I believe. I cut out the template but have not compared it to the factory pad. Concern over screw holes spacing being same as stock.

    They have a newer style, which incorporates what looks like air pockets, # 10809 I think. Not sure if that is better in actual uset than the traditional version.

  7. I use the Midway bag, 56" model. Been using it about 10 months. I can fit my Beretta 1301 with a Nordic +7 in it, plus my AR and I put my 2011 in a gun rug zipped in the side pouch. The bag has padded shoulder straps, so you can hump this bag on your back if you need to walk between stages. They are on sale right now too:

    http://www.midwayusa.com/product/939171584/midwayusa-sniper-drag-bag-scoped-rifle-case-pvc-coated-polyester

    Thanks for the heads up!

    Just ordered the 52" model. Great price, and I like the multiple attachment points for the Velcro straps inside.

  8. Got the Ranier Arms Force installed on the MUR-1A upper, after RA told me to remove the offending metal from the handguard. Took a few passes with a Dremel and a cutting bit, about 10 thou per side.

    Handguard is rock solid, no deflection at all at front end even when pushed hard to either side. Am pleased with feel and rigidity.

    They make a 15" as well, 12 oz with barrel nut. Price appears to be lower than most of the competition.

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