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  1. A

    Gunsmithing First custom barrel - what chemicals to clean it?

    Good info right here. I will also say.....I recommend cleaning every 250-300rnds. This works perfect for match shooters.......200rnd count matches with 50-100 to confirm dope, practice, and foul in before a match. Clean after the match for storage. Ern
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    Gunsmithing Bullet tumbling

    Check some of those rounds for concentricity at the neck and just forward of the neck. If the bullets are oversized like you say, I wouldn't be surprised if there is some wobble inducong funkyness going on......the displaced material has to go somewhere. Also, compare the keyhole to the pulled...
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    6cm and the bullet unseating

    Back when I was admittedly having issues with freebore "chatter" I did a deep dive and looked at everything. I am not throwing shade at Hornady but I did see diameter variation in post covid timeframe bullets. When you are talking .0005" total clearence in freebore diameter to bullet......every...
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    6cm and the bullet unseating

    Unless Proof is throating in a seperate operation.......or the reamer basically broke off at the end of the neck......I highly doubt the chamber magically got a shorter freebore. Simple test......does a factory round drop in all the way into a clean chamber or does it need pushed to fully seat...
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    6cm and the bullet unseating

    I've seen this quite a bit lately from Proof prefits, upper shelf Remingtons, and some custom builders. The freebore is most likely off-center or "chattery"......presenting symptoms like a short or tight freebore. Hornady's laxed bullet/ammo standards and worn reamers only exacerbate the issue. Ern
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    Night Vision DNT Hydra Price Increase

    Has anyone ever tried the hydra in front of a regular scope on low power? Say a 3-15 set on 3x? Does it work? Ern
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    Firearms TacOps X-Ray 51

    Man, with these test target groups......tacops should be cleaning house at 100yd benchrest. Somebody will be getting a great rifle.
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    Knife sharpening for dummies

    Practice freehand/unguided-stone until you get it down pat. You will learn so much above and beyond knife sharpening..... There is a reason that grinding HSS tools from blanks is one of the foundational steps in machining classes. Having said that, I can count on one hand how many times I have...
  9. A

    FTF Light Primer Strikes. Origin Action/IMI Mk262

    Obviously Ray is the man to deal with. I recall a similiar issue on a 223 zermatt and the fix was giving the firing pin another detent slot turn into the cocking piece when assembling the firing pin assembly. This did leave it with minimum firing pin protrusion.....if I remember...
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    Barrrel install

    Thank you for the recommendation. Ern (Altus contracted rifle builder)
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    Bartlein New Barrel Material 400MODBB

    Manual. If there wasn't any side loading on the reamer......I bet you were getting work hardenening. Slow the rpm on big hss reamers. Plenty of fluid. Don't let the reamer dwell and avoid slow feed minor passes. IF you have that issues again. I found that sanding the chamber surface with...
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    Bartlein New Barrel Material 400MODBB

    Shouldn't take "significantly" more pressure. Check your bushing fitment and possible barrel alignment. HSS reamers will try and flex to follow misalignment. You said you had good chips......but you may have ran into some work hardening. Did the barrel feel warm? Lots of real estate on...
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    Toki here… starting anodizing line up again mid March. Msg me for details.

    Couple more questions for you gentlemen. 1. I have a narfed up gen2 3x9 accurange and a gen1 "Redfield 1 inch tube" 3x9 duplex........can the internals be swapped around to make a good condition "Redfield 1 inch tube" accurange scope? I also have a accurange 2x7 if those internals will work...
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    Toki here… starting anodizing line up again mid March. Msg me for details.

    Makes sense. Probably best to leave them as is and the buyer can do what they want to them. Thanks. Ern
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    Toki here… starting anodizing line up again mid March. Msg me for details.

    Question for you gentlemen. If I had some redfield scopes to unload, would it be better to have them anodized or just leave them as-is? Ern
  16. A

    SOLD U.S. Optics MR-10 T-PAL 30mm Tube 1.8-10x 37mm Side Focus 1/10 Mil Illuminated GAP Reticle - $800 OBO

    Good snag. I'll call seconds. Ern
  17. A

    Reliable AR10 style that's reliable for "plinking"?

    Regarding the psa pa10 setups. I wanted an 18" barrel with rifle length gas. I had to buy a 20" and cut it down. Compared to the 18" midlength they sell.......its a world of difference and less finicky over a wider range of ammo. Seems like Armalite and others already figured this out. Ern
  18. A

    Barrel rifling

    Don't get too hung up on this. Most builders (myself included) may have preferences that work slightly better with our particular setups.....but by no means are we putting out substandard work otherwise. As pointed out here, there are many more influential variables that can be (and should be)...
  19. A

    Barrel rifling

    The above is truly awesome. I applaud all the guys using podcasts (or the internet in general) to document the knowledge and experience that will no doubt be lost otherwise. To Frank's point, it is satisfying to read old books about theory and correlation that are now able to be proven and...
  20. A

    Problem with one of my gun safes.

    I am not a locksmith.......but unless that hardened steel plug is made of carbide.......a carbide drill bit with adequate pressure and coolant will eat it up. Ern
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