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caspian guy

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Posts posted by caspian guy

  1. 1 hour ago, Hooked said:

    I’ve purchased their tool-less guide rod and their Aftec style extractor. The tool-less guide rod is not as well finished as the Dawson.  It is not as well polished. I would stick with the Dawson.

     

    The extractor is a great design and much easier to install than the Aftec. It was a drop in part for my gun and no tuning required. Time will tell if it holds up as well as the Aftec.

    I'll be curious to get my hands on one of those extractors and give it a try.  I have used aftecs in my open guns for years but haven't been as pleased with the last couple I have got.

  2. 19 minutes ago, echotango said:

    Nothing I would want to shave off a $500 optic.  just buy a new mount. 

    Or do what I did.. I sharpied the rts2 mount, put the sig scope on the mount and lightly screwed it down, and scribed the mount around the base of the optic... I then took the optic off and trimmed the mount up to the line (always cut on the cheaper part.)

  3. Sure is strange to see what looks a lot like an hk bolt head on an ar bolt carrier. I'm curious to see what the barrel extension the rollers lock into looks like (and if the chamber is fluted.) Also curious to see if they use a locking piece like HK or something different to drive the rollers out and control the unlock timing.

  4. 1 hour ago, Sprig said:

    I tried some of this and it seems so fine it's leaking out of the dillon powder slide. It also seems to drip out of the funnel on the upstroke . Has anyone had this issue on dillons ? Been loading autocomp for the last 2 years and never had this type of leakage , nor with any other powders I've tried .

    Used to have this problem with nobel sport sp2 (which is very fine grained)  I used an Arredondo powder bar.   Might be worth a shot.   Seems they still  make them.https://www.arredondoaccessories.com/product/powder-drop-slide/

  5. 22 hours ago, rooster said:

    Put your round in backwards, if it goes in past the rim and about a quarter inch of base then your problem is the col of that round. Your bullet is touching. EGW gauges are made to minimum Sami specs and are the tightest case gauges out there. If your round sits a little proud of the gauge check it in your barrel. If it fits then you know what you can get away with using that gauge. It’s true your barrel is the true test but you can use a gauge as a reference, as long as you know what you can get away with. If your round fits flush in a EGW gauge I’m pretty sure it will fit any barrel out there.

    For my open gun since I load 9mm long, I used a 9 mm throating reamer on my egw gauge so it matched my barrel throat.

  6. 15 hours ago, verla said:

    do all range finders require a reflective target to work-i.e, estimate distance?

    For a laser range finder yes. That's the way they work. The range finder is timing how long it takes from when the laser pulse goes out till the range finder sees the light reflected, that plus knowing the speed of light in air lets it calculate distance. Generally the more reflective the target is the further away the target can be ranged.

  7. 10 minutes ago, adamge said:

    I guess I am confused, how can you thermofit a barrel to a upper, in the scenario where the barrel fits into the upper fairly easily with both objects at room temperature? Wouldn't thermofit only apply if they didn't fit together at room temperature?

    You can't directly.  That only works if you are fortunate enough to get a barrel with an extension that is an interference fit in your upper...

     

    I know of 2 things you can do in this case.  1 is to insert a shim to take up the space. The other is to use loctite bearing retaining compound (its green but I don't recall the number)

     

    I have used the loctite method and it's helped in some cases.

     

    This topic has come up before if you do a search you'll find some stuff.

  8. Look at where the ribs are at the front of an original sti style mag and think about where a 9mm round hits those vs where a 38sc hits them, that's part of it.
    Sv or mbx or new sti with a single longer rib doesn't require it (though I still use spacers in my sv mags to keep everything the same.

     

    I think it also helps to get the nose of the bullet closer to where it should be with respect to the feed ramp for better feeding but that's probably secondary.

     

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