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  1. LRI

    M40 scope base project by LRI

    Base programming....
  2. LRI

    M40 scope base project by LRI

    Op1 begins...
  3. LRI

    M40 scope base project by LRI

    It's a tool, not the Sistine Chapel...
  4. LRI

    M40 scope base project by LRI

    This week has been devoted to wrapping up these buggers, 1st article samples of a billet P90 variant upper receiver. They shipped yesterday so I have that box checked. I am hoping to start on the bases over the weekend. -It's in the air as of yet. My daughter's car (Infinity SUV) is on the...
  5. LRI

    Scoring in new chamber , leaving marks on brass .

    I was tagged so here goes. : First, honing, polishing, whatever is intended to improve surface finish. If one is after a dimensional change, it is not how you solve the problem. My interpretation from your post (OP) is that you have inclusions in the chamber. The grooves ("1/4" down from...
  6. LRI

    M40 scope base project by LRI

    You had to bring it up....lol. Whole new setup this year. (more like next year, as we prolly won't get to do much with it this summer since it's still at the machine shop being finished) I made a lot of parts for this thing, but I don't own a boring bar or a hone for the block work. I was...
  7. LRI

    M40 scope base project by LRI

    More stuff. A legit XM3. I'll pull the optic and get a model of the base today hopefully.
  8. LRI

    M40 scope base project by LRI

    Our ongoing base project is progressing well. Tons of artifact parts to build a tolerance window from now. Very cool.
  9. LRI

    Bolt Salvageable?

    https://www.longriflesinc.com/collections/gunsmithing-services/products/gunsmithing-services-ar-15-extractor-installation-to-m700-bolt
  10. LRI

    M40 scope base project by LRI

    Let us know how your audit goes. :)
  11. LRI

    Maggie’s Blowing whistles OR...?

    8 hour drive yesterday, so I popped on the podcast about the Biden IRS whistleblower hearing. Dear Whistleblower guy: 99% of Americans can give two shits about whether you blow whistles or skin flutes at night in your own home in your own bed. Your 5-minute dissertation about how gay you are...
  12. LRI

    M40 scope base project by LRI

    I'm on it. If you guys have any archive photos showing that piece, post them up. I'm most curious to know if they have any engraving on them for adjustments.
  13. LRI

    Gunsmithing Flush cup removal

    How I do it: Find a 3/8 drive hex socket that fits the cup. Now warm it up with a propane torch while NOT in the flushcup/stock. Spit on it. If your spit sizzles and bounces off the hex, it's hot enough. Stick the tool in the socket. Wait for the smoke, and when it smells like the nail...
  14. LRI

    Bolt Salvageable?

    One of my favorite statements ever posted on Snipers Hide by someone years ago: There are two types of firearms enthusiasts: Those who have been fucked by PTG Those who will be
  15. LRI

    M40 scope base project by LRI

    Yesterday I had a pit stop in Sioux Falls, SD, on my way home from Omaha, NE, to pick up more artifact pieces for this scope base project. A good hour-long meeting in my pickup at a truck stop reviewing parts once again humbled me greatly as the subtle details of how these parts evolved is...
  16. LRI

    Maggie’s One step closer. . .

    HoOdRaT 2.0 loading... It's headed to the hone today.
  17. LRI

    M40 scope base project by LRI

    One last update, boxes checked: Modeling Material on the floor We just took delivery of material for some belt-fed parts and for a P90 variant that I've been asked to sort out. These are "big deal" jobs, so this sniper rifle stuff will have to sit for a minute. The belt-fed parts are...
  18. LRI

    M40 scope base project by LRI

    I'll post the photo of my Unertl scope with the Badger (M40A3 I believe) setup again: This is the base that I have with a SIMRAD cap. The one that I understand to be elusive is the piece with a single blind tapped hole to fit the M40A1 base and rings. If I'm understanding all of this...