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Although a noted Gunzine writer was a big proponent of this procedure and it became the modification "du jour" for a short period of time, my feeling is that it has been relegated to the ".45 GAP" drawer of firearms history. Bruce

Can you please document an instance where a low charge of H110/W296 detonated in a case? Thanks. ;) Bruce

If you have push off, the DA sear has been bubba'd. Time for it to go home to the factory or a competent Smith & Wesson armorer for fitting of a new sear. The sear may look great to you but it has been stoned both excessively and incorrectly. The only fix is to have a new one fitted. Bruce

If you have a fouled bore which is particularly vexing, try KG-12, a non-ammonia, water based solvent developed for removing copper fouling from crew served artillery pieces. It is said to dissolve a copper penny but I haven't tried that trick. You can also try soaking the bore overnight in...

"i'm going to have to disagree with you brucem. one reason is the 'two staging it" scenario in post #10." Feel free to do so. With regard to your comment regarding reply#10; please see the second half of my response, which you disagree with. That is: "Very slow and deliberate double action...

"i see this as a potentially dangerous condition" It is only dangerous if the gun is severely worn. During quick dbl. action shooting or when the hammer is cocked smartly during single action shooting, the inertia of the cylinder moving will rotate the cylinder enough to lock it even if the...

"MIM parts do NOT polish well. This is why many gunsmiths will not do "action jobs" on MIM guns." This is contrary to the information I have seen over the last couple of years. As a matter of fact, I've been told that MIM parts can be smoothed by stoning and it doesn't take much to slick them...

"Put bluntly, most of the failures occurred because the parts that were being duplicated weren't well suited for MIM technology. Others were caused by questionable (or lack of) viable quality control procedures." The fact is that MIM technology allow very large numbers of identical parts to be...

The linked thread states that Gander Mountain was closing 90% of their gunsmithing operations. I would give them a call. That particular location has all the tools and equipment from the Wilmot, WI store, which was THE ORIGINAL Gander Mountain store and was attached to their distribution center...

Try "The Standard Catalog of Smith & Wesson, 3rd Ed." Incidentally, what you'll find is a shipping date and not a manufacturing date because that is how the factory tracks the numbers. Bruce

The odds are that the rings are not aligned correctly if you have ring marks. I'm not sure that you need lapping tools or torque driver but you definitely need a tool for correct checking ring alignment. If you doubt that, check your scope again! Doing this simple job without that tool will work...

Gander Mountain-Kenosha, WI. I don't buy much merchandise from them anymore but gunsmith dept. is good and used to be S&W warranty repair station. Bruce

StVitus: You know that the "three dot manufacturing error" story is an urban legend or you should. If you didn't, you should read the book. :-) Any similarity between a Witness and a real Bren Ten is purely coincident. The latter is a vastly superior weapon that suffered from quality...

Take the rifle out of the stock and look at the trigger. The adjustment procedure should be almost self explanitory. B.

Well, the Bren Ten wasn't created in the 1970's, it wasn't a modified CZ-75 although that was/is a current urban myth and, as a matter of fact, the prototype wasn't originally chambered in 10mm. :) Bruce

Any bullet mold that drops a bullet more than .002" oversized either goes back to the manufacturer or to the junk heap IMHO. That's because swaging the driving bands down that amount during sizing will soften the bearing surfaces and cause leading. Even .002" large is an marginal situation...

Regardless of what mold you use, the diameters will vary slightly. Bullets will drop larger or smaller from the same mold depending on the hardness of the alloy. Generally, the harder the alloy, the larger the bullet. Also, two molds of the same number will drop slightly different diameter...

The first three digits of Lyman bullet molds are the bullet diameter with the last digits denoting the shape or cherry number. All weights are in Lyman #2 alloy unless notes otherwise by Lyman. Mold number 457125 is a 500 gr. roundnose bullet. Mold number 429667 is a 240 gr. flatpoint for...

With regard to the jackets separating from the bullet at reduced velocities, I believe you're thinking of the old Speer half jacket bullets. These were supposed to be crimped above the top of the jacket. I don't think that these bullets are produced any more. Bruce

With a total production number of 1,388 in all variations (and some say substantially fewer), I would say the Bren Ten qualifies as a collectible curio regardless of time frame surrounding it's manufacture. Bruce