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  1. J

    Range Report Spin Drift

    Re: Spin Drift Frank, I was really hoping to stay out of this one, but I just can’t resist. If we’re lucky this could turn into another 47 page debate on spin drift like we had a couple of years back. Folks, Frank has done an excellent job explaining why spin drift is a non-factor. I...
  2. J

    Rifle Scopes Vortex Viper PST 4-16X50 FFP Initial Impressions

    Re: Vortex Viper PST 4-16X50 FFP Initial Impressions <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Jon A</div><div class="ubbcode-body">Good words, Jeff. And good tips on measuring scopes. Thanks. For others asking, I'll try and give a little primer. First...
  3. J

    Rifle Scopes Vortex Viper PST 4-16X50 FFP Initial Impressions

    Re: Vortex Viper PST 4-16X50 FFP Initial Impressions My gosh the sky is falling with this thread. First Jon, nice write up, very thorough! You show you understand how to actually test a scope. I’ll go out on a limb on this one but I doubt a lot (most) of the folks who are running scared...
  4. J

    Rifle Scopes Liberty Optics and PST's

    Re: Liberty Optics and PST's <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: LibertyOptics</div><div class="ubbcode-body">Thanks guys. Waiting for the Fedex truck, any minute now. We are getting the tiny teaser like everyone else who's lucky enough to get...
  5. J

    Rifle Scopes Vortex Viper PST Delivery Reality

    Re: Vortex Viper PST Delivery Reality <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: gr8fuldoug</div><div class="ubbcode-body">They are the FFP's </div></div> Well heck that's not what I wanted to here, I have a second focal plane model on order. Thanks for...
  6. J

    Rifle Scopes Vortex Viper PST Delivery Reality

    Re: Vortex Viper PST Delivery Reality <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: gr8fuldoug</div><div class="ubbcode-body">I have spoken with Vortex and yes, they shipped a small shipment of the 4-16x50's and 6-24x50's to a few dealers. </div></div>...
  7. J

    Gunsmithing Objective research on Barrel Break-in procedures

    Re: Objective research on Barrel Break-in procedures JRBJAG, I've been traveling like a mad man the last month and haven't really had any free time to myself. I'll put together another thread on my finding of the effects of shooting moly coated bullets. Bottom line if you like your rifle...
  8. J

    Range Report What is the G5 BC for the Sierra 175 SMK (.308)?

    Re: What is the G5 BC for the Sierra 175 SMK (.308)? Jeff, Thanks for the G5 number. But I thought Mr Litz posted the G7 BC for the 175SMK at .243. Is your .<span style="font-weight: bold"><span style="font-style: italic">253 </span></span>a typo or something different? Nope and good catch...
  9. J

    Range Report What is the G5 BC for the Sierra 175 SMK (.308)?

    Re: What is the G5 BC for the Sierra 175 SMK (.308)? The G5 BC for the Sierra .308 175 gr MK BTHP is .319. I ran the calculations twice to confirm. The G5 coefficient drag model was developed for boat tail bullets. The G6 coefficient drag model was developed for flat based bullets...
  10. J

    Two stage triggers

    I just purchased the Armalite SASS Canadian sniper contract AR-10 and it comes with a match two stage trigger. I shot my buddies AR-15 with a two stage trigger and I have a couple of questions. Why on earth does anyone shoot a two stage trigger????? Granted this was my first time shooting a...
  11. J

    Gunsmithing Gunsmiths You Are Impressed With

    Re: Gunsmiths You Are Impressed With Gene Williams of Princeton Texas. His work is the best I've encountered and second to none in my book. He's fair, honest and a man of his word that actually returns your call the same day, usually within an hour or so of leaving him a message. He's...
  12. J

    Suppressors Need Class III FFL dealer in N Texas

    Purchasing an Ops Model 12 suppressor for my new Armalite SSAS AR-10. I need someone in the N TX area with a class III FFL who can receive the suppressor. As always thanks for your support.
  13. J

    Range Report G1 or G7.. I choose G1

    Re: G1 or G7.. I choose G1, first then got taught. I was recently helping a shooter with the same type issue. He would use the G1 BC and see good results, then change to the G7 BC and see wacky results. When he asked for my help I took at look at his data. His mistake was using the same G1...
  14. J

    Gunsmithing Objective research on Barrel Break-in procedures

    Re: Objective research on Barrel Break-in procedures Deltazulu, Tough critic and welcome to the hide! We need folks like you to keep us honest. This forum does not lend itself for posting tons of technical data, nor do most members here want to wade through it. As I stated in the...
  15. J

    Gunsmithing Objective research on Barrel Break-in procedures

    Re: Objective research on Barrel Break-in procedures Sorry I’ve been off the grid the past couple of weeks dealing with a death in the family. As hard and difficult as it sounds the test data I reviewed in fact shows the bullet stopping sometimes once but as many as two times. Much of the...
  16. J

    Gunsmithing Objective research on Barrel Break-in procedures

    Re: Objective research on Barrel Break-in procedures <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: AUJohn</div><div class="ubbcode-body"> If you can adjust your process for every barrel you tend to get the best results over a longer time. blanket statments of...
  17. J

    Gunsmithing Objective research on Barrel Break-in procedures

    After many email requests I thought I'd repost the research I did on barrel break-in procedures. In addition I also added a short overview on Internal Ballistics 101 to help tie everything together. This has been posted on many shooting boards over the years and has been modified as I uncover...
  18. J

    Gunsmithing Barrel Break-In

    Re: Barrel Break-In This may be hard to swallow but barrel break-in is a waist of time and effort. Before jumping the gun lets look at this objectively. • 99.9% of shooters don’t have access to a quality bore scope to view the interior surface of their barrels. • Without a bore scope to...
  19. J

    Barrel Break-in thoughts...

    Re: Barrel Break-in thoughts... Before deciding to break in a barrel which myself and most here agree is a waist of time, you need to ask yourself a couple of questions. 1. What's wrong with the barrel to begin with? 2. If something is wrong with it, send it back to the manufacture to be...
  20. J

    Range Report At what range is g7 better then g1? Anyone know?

    Re: At what range is g7 better then g1? Anyone k <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lindy</div><div class="ubbcode-body">What for? At those distances, you don't generally need a ballistic computer at all, as the dope isn't going to change much with...
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