Search Results - Practical Machinist - Largest Manufacturing Technology Forum on the Web
Close
Login to Your Account

Search:

Type: Posts; User: RWO

Page 1 of 20 1 2 3 4

Search: Search took 0.01 seconds.

  1. Replies
    8
    Views
    1,368

    Save your money. Tightening up the rear of the...

    Save your money. Tightening up the rear of the bolt is not going to make a difference you can readily detect with that cartridge and rifle. JMHO. All commercial grade hunting bolt actions have...
  2. Replies
    14
    Views
    1,782

    For my money the only to secure the liner is a...

    For my money the only to secure the liner is a Loctite retaining compound like 603 or 638. Solder is a terrific PIA and totally unnecessary. Epoxy is too thick and sticky. Drill the liner hole 2-3...
  3. Replies
    7
    Views
    1,169

    Foil wrapping and most other anti-scale...

    Foil wrapping and most other anti-scale containers really don't work the best for direct quenching because of the time delay in removing the parts. Brownells sells a couple of coatings that should...
  4. Replies
    17
    Views
    1,851

    There are 2 different Acraglas compounds. The...

    There are 2 different Acraglas compounds. The original liquid gets rock hard and is what you need for your permanent repair. The second type is the gel and is better for bedding and remains very...
  5. Replies
    67
    Views
    114,429

    9mm chamber dwg is here: ...

    9mm chamber dwg is here: https://saami.org/wp-content/uploads/2019/02/ANSI-SAAMI-Z299.3-CFP-and-R-Approved-2015-12-14-Posting-Copy.pdf page 27.

    RWO
  6. Ebay has tramming rings for under $100. See...

    Ebay has tramming rings for under $100. See https://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=bridgeport+mill+tramming+ring&_sacat=0


    RWO
  7. I don't think these are made any longer, but they...

    I don't think these are made any longer, but they make tramming a breeze.271789
    I use mine with a CO-AX indicator

    RWO
  8. Replies
    7
    Views
    1,542

    A simple way to measure the receiver threads is...

    A simple way to measure the receiver threads is to plug the receiver ring 1/2" or so down with a piece of cardboard or tape and pour a layer of Cerrosafe on the plug a few threads thick. A hexhead...
  9. Thread: Salerno method

    by RWO
    Replies
    6
    Views
    1,245

    The type 30 had a bore dia. of .256" and a groove...

    The type 30 had a bore dia. of .256" and a groove dia. of .269". Rifling was right hand twist, 6 grooves: 1-7.88" .

    No info on barrel shank threads.

    RWO
  10. Thread: Salerno method

    by RWO
    Replies
    6
    Views
    1,245

    I don't know what the Salerno method was, but,...

    I don't know what the Salerno method was, but, the problem with relining high pressure barrels is the liner must include the chamber and the fit in barrel's interior must be very close with no voids...
  11. Replies
    5
    Views
    1,841

    Opening the bolt face will remove the recess for...

    Opening the bolt face will remove the recess for the factory extractor. Then the only choice is a Sako or M-16 extractor. This compromises the "3-rings of steel" feature that Rem touts as an...
  12. This stuff is supposed to do the trick. I have...

    This stuff is supposed to do the trick. I have not used it. https://www.slip2000.com/slip2000_carbon_killer.php

    RWO
  13. Thread: DIY Magnaporting

    by RWO
    Replies
    5
    Views
    1,129

    You can fill the bore if you like, but...

    You can fill the bore if you like, but unnecessary. Any burrs are not going to survive the first shot.


    RWO
  14. Thread: Aluminium question

    by RWO
    Replies
    7
    Views
    1,924

    Just go ahead and make the bolt all steel. You...

    Just go ahead and make the bolt all steel. You need a steel bolt head and also a steel extraction cam on the back end.
    Since the bolt is essentially a hollow tube, the weight penalty of an all...
  15. Thread: Nickle Plating

    by RWO
    Replies
    22
    Views
    3,892

    Welcome to TechPlate, Inc. Firearms Page...

    Welcome to TechPlate, Inc. Firearms Page and Gun Refinishing | Case Hardening | Crystal River, FL - Ford's Custom Gun Refinishing do old style bright nickel. Many shops do electroless nickel but...
  16. Replies
    18
    Views
    3,535

    A Timney Springfield trigger will fit a 1917...

    A Timney Springfield trigger will fit a 1917 Enfield. You might need to add metal to the bottom of the Enfield cocking piece so it will reach the Timney sear face. A piece of good steel silver...
  17. Thread: Gear set for M13x1

    by RWO
    Replies
    8
    Views
    1,345

    You need to ask this question here: General...

    You need to ask this question here: General

    RWO
  18. Thread: Hammer Steel

    by RWO
    Replies
    1
    Views
    1,070

    S7 tool steel is a good candidate of the common...

    S7 tool steel is a good candidate of the common alloy steels. It is formulated to resist shock and is pretty easy to heat treat : Tool Steel | S7 Shock Resisting Tool Steel | S7 Steel

    RWO
  19. Thread: 22 Spítfire AR

    by RWO
    Replies
    3
    Views
    1,244

    https://www.80percentarms.com/20-lower-blank-ar-15...

    https://www.80percentarms.com/20-lower-blank-ar-15-lower-receiver-forging/
  20. Replies
    3
    Views
    1,091

    This company makes this one:...

    This company makes this one: https://www.wingtactical.com/firearm-parts/ar-15/buffer-buffer-tubes/buffers/armaspec-ar-15-sound-mitigation-buffer-system-smb/ Low price compared to JP.

    RWO
  21. Air gun barrels are soft steel so a burr is...

    Air gun barrels are soft steel so a burr is always going to be present. I would machine a soft copper or brass rod to a taper somewhat less than the one existing and tap it into the throat of the...
  22. Replies
    14
    Views
    2,055

    If nothing works, try a fish hook bent to reach...

    If nothing works, try a fish hook bent to reach into hole. Cut the point shorter if needed to allow barb to reach top spring coil.

    RWO
  23. Thinking out of the box, cutting the bearing...

    Thinking out of the box, cutting the bearing bores would seem a natural for wire EDM. Dead straight, all the same dia. no tooling but wire and the machine. Easy fixturing since no cutting forces....
  24. Replies
    17
    Views
    1,709

    The last general gunsmithing book worthy of the...

    The last general gunsmithing book worthy of the name was "Gunsmithing" by Roy Dunlap first published in the early 50's. It is really out of date because the arms covered in detail are no longer in...
  25. Thread: Best 80& receiver

    by RWO
    Replies
    11
    Views
    1,700

    Of the ones I have seen there seems to be little...

    Of the ones I have seen there seems to be little difference in brands since there are only a handful of actual makers and the market is highly competitive. The main difference I have seen is whether...
Results 1 to 25 of 483
Page 1 of 20 1 2 3 4