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  1. sinister

    U.S. Army/Navy/USMC M14-based sniper and DMR/SDM rifles circa late-1960s to late 201Xs

    😮
  2. sinister

    How to improve offhand accuracy with AR15

    This is the 200-yard standing slow fire and sitting rapid fire target scaled for 100-yard ranges. It is 21" x 21" a side. Put ten shots in ten minutes in the black (about the size of those 6" paper plates) at 100 yards and you've shot a 90 -- an expert score. It is challenging but NOT...
  3. sinister

    How to improve offhand accuracy with AR15

    The sling is not used in international air or rimfire competition, in Conseil Internationale du Sport Militaire military rifle shooting, nor in Service Rifle. It takes a good firing position and lots of practice. It sounds counter-intuitive, but a heavier rifle helps prevent rifle movement and...
  4. sinister

    History of the SR25

    Are you using an LMT big frame bolt stop? They're usually really reliable as far as function. This is an Armalite catch. If that little nose dingus isn't long enough it won't catch the follower tail. It's also got to be relieved enough it doesn't catch the inside of the upper when the...
  5. sinister

    History of the SR25

    Not many. Probably less than a hundred.
  6. sinister

    Custom Sizing Die

    Alan Warner made my custom sizing die with two fired cases from my Sako TRG-42.
  7. sinister

    Medium Weight 20" match 5.56/.223 barrel's: Where are they?

    Lothar-Walthers are very good in my experience, both the .223s and 308s.
  8. sinister

    New (to me) Remington 40X

    When I was a kid we used to put Korean coins and quarters up against the berm and shot 'em. Made for nice little souvenirs with the bullet dent.
  9. sinister

    New (to me) Remington 40X

    Measure groups with calipers using the two farthest shot holes -- from outside edge of grease ring to outside edge of the other, then subtract bullet diameter to give you a more precise reading (than guesstimating where hole centers might be). Mic your bullet diameter at the fattest part of the...
  10. sinister

    Good Score Sunday (SR90 + ACOG)

    I've never shot 175s tighter than I can with 168s. Horizontal stringing is typically the human with inconsistent eye relief, bipod pressure, and/or head and cheek placement. Windage is typically the human not catching shifts and/or compensating for wind.
  11. sinister

    Army M24 Build Thread

    My Q-Course apartment mate had one. Man, that was a beautiful rifle.
  12. sinister

    Army M24 Build Thread

    My guess (and strictly conjecture) is probably the SR-25K carbine -- not for long-range use but inside 600 yards.
  13. sinister

    The perplexity of ar10 loads

    I don't know Wilsons. Let's establish a start point -- what is your gas port diameter? Does the PWS have a piston?
  14. sinister

    Army M24 Build Thread

    It wasn't the USAMU's failure to request approval for combat use (remember, the USAMU established the sniper mobile training teams that instructed in Vietnam, then post-war through 1987 when Fort Benning established the infantry's sniper school). The Army's Tank Automotive and Armament Command...
  15. sinister

    anyone out there doing tenkara style fly fishing?

    I fished a lot of skinny water in New Mexico, Colorado, and Utah. One of my best friends has an isolated pond on his land in Montana with native cutthroats. His wife will fish that pond and some really small streams with a tenkara and land some decent sized trout. All in the presentation...
  16. sinister

    Army M24 Build Thread

    Very interesting but seems to contain some revisionist history. I still have cans and boxes in the garage marked "M852 7.62mm Match. NOT FOR COMBAT USE," as shown in the last two photos (bottom right) above. COL Hayes Parks' determination (as the DOD Staff Judge Advocate) that M852 (and Match...
  17. sinister

    New (to me) Remington 40X

    That's about the most gorgeous wood I've ever seen on a GI 40X.
  18. sinister

    A2 sight removal for ocular lens clearance

    There's the Bob Jones lens that mildly corrects vision for a clearer front sight
  19. sinister

    SR25 Upper Compatibility

    Sid, I traded a Criterion barrel to a guy from arfcom and tacswap. He's got a listing where he had two or three of them. Yes, same pin sizes for KAC-LMT. The rear pin boss is correct for the KAC lower pocket, just a skoshi wide for the LMT (will probably need very light sanding). Troy...
  20. sinister

    U.S. Army/Navy/USMC M14-based sniper and DMR/SDM rifles circa late-1960s to late 201Xs

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