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  1. S

    Gunsmithing Stuck 8.6 Blk case AR10

    Looking forward to the autopsy report.
  2. S

    Gunsmithing Stuck 8.6 Blk case AR10

    What metal material is a primer made of ? must be fairly soft to be deformed for ignition.
  3. S

    Gunsmithing Stuck 8.6 Blk case AR10

    Spitballing here. If I have followed the thread correctly, you have separated the upper-lower halves and your photo seems to show the free end of the firing pin retaining pin exposed on the right side of the bolt. Perhaps removing the firing pin to allow the cam pin to move as freely as it can...
  4. S

    Sidearms & Scatterguns Stubborn RMR screws

    6-40 gunsmith screws are common place, just not for red dot optic mounting applications. Phillips head fasteners are just behind hex head in being inadequately designed for the task.
  5. S

    Sidearms & Scatterguns Stubborn RMR screws

    Mcmaster Carr is the answer........https://www.mcmaster.com/products/torx/thread-size~6-32/drive-style~torx-plus/drive-style~torx/
  6. S

    Sidearms & Scatterguns Stubborn RMR screws

    ........I use the coin bit style for sight adjustments
  7. S

    Sidearms & Scatterguns Stubborn RMR screws

    When you remove the hex head style, replace the fasteners with Torx style. These Grab-iT extractors are the best. Simple cordless drill in reverse mode. You don't want to use heat or excessive impact on the fasteners with the optic electronics.
  8. S

    Suppressors Alignment rods - steel or carbon fiber

    I have Geissele's but McMaster=Carr has some close-tolerance rods that you can pick to the thousandth in diameters; I have used them for some suppressed .22, and as Geiselle advises on his rods, you just need "minute of eyeball" accuracy.
  9. S

    Low end Torque Values- Borka vs Wiha

    More than one cat.
  10. S

    Low end Torque Values- Borka vs Wiha

    Some I use for various torque ranges.
  11. S

    Question for machinists manufacturing ARs

    For what its worth, according to the 23&P a maximum of 0.020" gap is allowed between the upper-lower receiver.
  12. S

    AR Take Down Tool

    I too made some delrin tools on the lathe for the pins. For the Glocks I modified the Grace tool to accomodate holding the pins for installation start and a brass insert to tap them in.
  13. S

    Looking for mount with windage/elevation adjustments to co-align LRF with a spotting scope

    Forgot I had to fabricate some offset rails to mount a Daniel Defense 45 deg QD picatinny rail mount. Used a shoulder bolt to secure the LRF-bino to the rail. I had a couple of the STOMP mounts which is the host rail system flipped around a little bit.
  14. S

    Looking for mount with windage/elevation adjustments to co-align LRF with a spotting scope

    An old thread resurrected and I see above the Sightlok chosen as a contemporary solution. Not rifle mounted , however, before tables were in vogue I used this setup using a red dot optic to sight on target, spotting scope and bino-LRF. It was very efficient at high power magnifications. Could...
  15. S

    Suppressors Any industry reps willing to discuss helping a state get access to suppressors?

    Not so in Florida! Although gun silencers are not legal in every state, they are legal in Florida. There is no specific law directed at silencers under Florida state law except to define the item as a "firearm"! A gun silencer falls under the definition of a “firearm”. Under Florida Statute...
  16. S

    Gunsmithing BAR MK3 DBM Help

    These are for the Mk2, but I believe they are relevant for the Mk3 BAR. Some might be interested in how the gas block is related to the sling stud.
  17. S

    Question for machinists manufacturing ARs

    February 7, 2003 Rev 1 TECHNICAL NOTE 55: RECEIVER TIGHTNESS BACKGROUND: ArmaLite® occasionally receives questions from customers about the tightness of the fit between the upper and lower receivers of ArmaLite’s® M-15, AR-10, and AR-180B rifles. There is an intuitive belief that a tight...
  18. S

    Safariland ALS for PDP w/out light

    The Safariland GLS (Grip Lock ingSystem engages the trigger guard) works well with PDP. One can use the paddle, QLS or their new Ultra Concealable belt attachments. As mentioned above, the ALS (Automatic Locking System) mechanism engages the back edge of the slide-breech area.
  19. S

    anyone else not able to upload pics?

    I can't upload anything and the Quote feature doesn't work for me. I thought my content had triggered a Forum Rule trip wire of sorts! Happy Holidays.
  20. S

    Recommendation for solid sling swivel to picatinny rail adapter

    I used a Gear Sector mfg. picatinny-swivel mount years ago; cannabalized it for another project. Kinda of looks like what someone was looking for. Ebay currently has something like it as well. It would be easy to drill and tap any aluminum picatinny rail for the on-end loop component and cut...
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