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Bat Firing PIn Spring Called BAT Machine ordered new firing pin springs for my Bat DS. Got them today way different. Old spring length 5.140 O.D. .407 I.D. .285 wire Dia. .065 New spring Length 6.656 O.D. .407 I.D. .290 Wire Dia. .055 Real P.I.A. to install being over 1½ longer. So I went to...

The last two matches I have shot I came last or very close to last. So I am going to set the barrel back and rechamber to the 6PPC this time I am going to engrave the barrel 6PPC CREEDMOOR to make it shoot more accurate.;):D Chet

Like Gene says HSS/Grind. How close do you want to get to the shoulder?

Yes 50 /85 is to slow using A good carbide insert (Valenite C6 grade laydown) 50/85 not sure of the slowest speed on the Clausing. 350/500 is to fast of a speed to kickout safely with out crashing for him (@74 plus and for me also @82today) that is why the slow speed. He is going to try and...

I personally think that Jackie is right on to slow of a speed (cut). I really have know idea both my friend and I thought 0-1 annealed would be the right material to use. Here is what I know he has a really nice (like new) Clausing 12" lathe and was using a New carbide laydown insert he say's...

Had a friend bring to me a work piece that he had just threaded 7/8X14 using a Valenite lay down threading insert/ material was bought as 7/8Dia. O-1 annealed . I took it to another friend and had him that a picture with his microscope here is what the threads look like under high...

Not fair using the LONE RANGER style mask. :cool::cool::cool:

Jackie, I am sure you already know this,In the patient it talks a lot about pressure ring #40 being compressed between the ACE chamber body #20 the barrel #30. If I remember correctly, NASA used the high heat rubber as a pressure seal until it got to cold and brittle. Chet

Got it somewhat fixed :confused: I cut the barrel up to see a curve but ended up with a barrel that had little or no curve and made a big mess in doing it.:( Chet

Cut barrel 2 inch After reading Jackie's post of how he cut a barrel into 2-inch length pieces. I went and cut up a barrel first did as Jackie did and scribed a straight line then band sawed it into the 2-inch pieces. Then I measured both sides of each piece. Here are my finding of the cutup...

After reading JamieD posts I have to take my hat off to him and want to thank him for taking the time to post. Today CNC machines can and do things that is next to impossible on a manual machine, repeatability in accuracy for one it's all about the numbers. I heard a looong time ago that there...

The ACE is a neat way of chambering a barrel but does not hold true to first indicating the bore square then drilling boring then reaming. Indicate drill bore ream, the reamer now only follows the throat of the finished chamber which is indicated square to the bore. But still the ace system is...

Hugh Henricksen ------------- five 4 one -- five 3 five-- two 3 zero 9

50 tms Hello Mike Like you it only takes me 5 minutes or less to indicate the barrel in at any point. When using the Grizzly rod even less time and still using the 312-15 to double check the runout. Yes Tom was a 50 BMG man to know. Below is a picture of the 50 cal. Tom Martin Spleical...

I did a lot of checking of the last three barrels, 1 Hart 5groove 6ppc, 1 Krieger 6Dasher, 1 Proof Research 6x47. First setup was indicating throat then very breech end of each barrel. Then checked the indicator runout at ½ inch or so in front of the indicated throat. Second setup was...

Btp

Glad to hear Bob is home. :):)

Jackie [/QUOTE= The way I chamber makes it very easy to set a barrel back up exactly the way it came out on the initial chambering. So the threads and shoulder are running true. So I think what you are saying is that you use the same bushing around the muzzle end of the barrel in the lathe...