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Thanks. I probably did remember it wrong, but the above equation is on the right track. I presume that your equation is parsed as follows: p = 5E/(pi*d) , right? Then, this says that the shape of the projectile does not affect the peak pressure, EXCEPT for its influence on d, the...

@ Dr. Courtney: I seem to recall that at some point in the past, you posted some equations that estimated the magnitude of the hydraulic shock that would result from impact of a projectile given its velocity and the diameter of the meplat. I have not been able to find that post (maybe it was...

I don't know where you're coming from but it is apparent that you don't know anything about the scientific literature. To "cite oneself" may (though I doubt it) be against Wikipedia policy, but it is certainly NOT against policy in the science literature. In fact, it is expected. And your...

well, it's certainly true enough in TN, even though the amount of training is minimal. I'm aware of states that don't require a license to carry at all, but are there states that will issue a formal license WITHOUT any training or test? Including a "background check" in the concept of...

@MCgunner: Thanks for the detailed reviews / range reports. Great information! Now, go and buy that Beeman, and do a comparison! :evil: Albert

Sorry to hear that you have fallen into the CZ75 trap! Your plans for acquiring other handguns are now thoroughly SCREWED! You will find it hard for anything (with the possible exception of a High Power GP-35) to measure up to the standard you have adopted. And if that weren't enough...

To me, it seems like using sub-sonic ammo would limit you to relatively short range. Of physical necessity, a subsonic bullet has a rainbow-shaped trajectory, and even if you have a scope with a humongous range of adjustment, you would have to know the exact distance to the target in order to...

I have one also, and it's very solid. The only thing I don't like is the primer feed system. For me, it is totally useless, dumping primers all over the floor at odd moments. Unlike the system used on the old Spar-T, the primer tube goes around with the turret -- and that ain't good. My...

Regarding cast bullets, I would be interested to hear others' experience using them in an M1 Carbine. I would have thought that there would be a potential risk of greater fouling of the gas port and piston from lead and/or lubricant residues (vs. jacketed bullets). And that gas piston is a...

So it's true, then. Very interesting. And to clarify a bit on my earlier post, regarding subsonic ammo. Most "Standard Velocity" or target grade .22lr is subsonic. This is intentional, to avoid the instability caused by crossing the sound barrier. So all those kinds of ammo are probably...

FWIW, my 10/22 runs very well on Winchester Dynapoint, bulk box from WalMart. This is a 40gr bullet at approx 1030 ft/sec, so it is "barely" subsonic. Maybe you just need to get a bunch of different loads, and see what it likes best. BTW. since you have a silencer, I've read that the...

OK, so the book will wake us up; it will scare us; it will make us angry ( or angirer). But, will it suggest remedial action? How can we prevent this from happening again? (and don't say, "more laws" if the primary thrust is that existing laws were ignored or broken! And don't say "bring...

I have one of the Henry's. Bought it new a couple of years ago (?) for about $100. Who could resist? Mine has been good as far as feeding goes, OK accuracy for something of this type, but the one beef I have is lots of light primer strikes. I've learned how to draw the bolt back just...

I like a turret press over a single-stage, because it's faster, and you can keep the dies set up and adjusted. Also, you carry each round through all stages before finishing with it, so at the end of each cycle you have a finished round (rather than say 50 - 100 primed and charged cases sitting...

Well shoot! There went the best theory I've had all night. Unless there's something bent somewhere that is preventing the firing pin from moving back onto part #24... I had failed to notice that you've already said it'll close if 22, 23, and 24 are removed. I think that localizes the...

Well, here I am replying to my own post,... but in the mean time I have experimented a little with my P-08 and I can confirm that if the problem were as I described, i.e. blockage of the penetration of part #24 into the interior of the firing pin, then the symptoms would be as you described...

Soaking the whole thing is not a bad idea (do it field-stripped, of course). Get a proper recoil spring from Wolff, for example. I'd replace the firing pin as a matter of course. If the whole thing is matched, and if he's shooting it, you don't want to be using the matching firing pin...

I am wondering how the moly coating performs with respect to barrel leading. Once upon a time I bought some .45ACP 200gr LSWC reloads from "a well known vendor" which were without a doubt the most horrendously lead-generating rounds I have ever used. (BTW this wasn't my typical experience from...

I have a Lyman T-max turret press and recently obtained a Lee Classic Turret press (has a 4-hole turret and autoindexes). Had I gotten the Lee first, I doubt I'd have gotten the Lyman. (Not that the lyman is a bad press at all; the Lee is just way faster.) Albert

The ones I have seem to work OK, though I can't measure the actual noise reduction. They are monaural, of course. Albert