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Bill that sounds like a simple method but it makes me wonder if you'd end up with excessive case web expansion? I'm recalling Gene Beggs work with indexing barrels and using a bushing with a differential thread to accomplish the indexing. As I recall Gene had issues with excessive case web...

I pulled mine back out to revisit it. It's a short action and is ~23lbs compressed to what would be cocked position. The middle of the spring @ washer drags a lot IMO when cycled. To attempt to fix it to my satisfaction I'd have to regrind the ends of the springs to get the ends of the springs...

Borden method.

It's been awhile since I tried one. Boyd liked it, wonder if he still does. I had issues with it. My issues may not have mattered. I found there was quite a bit of friction in the center of the pin where the washer and two springs met as the pin was cycled. The springs didn't load flat and...

http://benchrest.com/showthread.php?90693-Replacement-for-Rustlic-255R-in-High-Pressure-Flush-Systems&highlight=coolant

I've played with one of the duo springs. Some observations: When installed the center ring between the springs can end up cocked at an angle depending on where you place the spring ends in relation to the ring. If you match the ends of the springs at the ring it is close to no angle but still...

I believe German's blog used to point here for links to various plot sheets: http://www.desertsharpshooters.com/links One of them with lots of drop down menu choices including some F-Class: https://www.scorebook.org/plotsheets/plotsheets And German is long gone and isn't likely to answer your...

Flexibility might depend on what actual torch you may have. I can tell you how 4 torches compare as to flexibility of cable or feel in hand. Stiffest is an old Weldcraft WP-17 air cooled Next and both about equal CK CK-20 water and Tweco R-20 water Most flexible CK-130 air cooled

I have both water cooled torches and air cooled. For most of my work (small jobs) I prefer the air cooled torch. Less noise and less to maintain. I for one don't like to listen to that pump whine. Can't imagine a gunsmithing job needing more than 130-150 amps. I use this flex head as my go to...

As mentioned above the Comp dies do not use an expander but the S type bushing dies (neck and full size) do come with both an expander and a non expander nut to retain the decaping pin.

Pony clamps? They've been around forever. https://www.amazon.com/Jorgensen-3201-HT-Spring-Clamp-1-Inch/dp/B0000224BW%3FSubscriptionId%3DAKIAILSHYYTFIVPWUY6Q%26tag%3Dduckduckgo-iphone-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB0000224BW

http://shootingbenches.com

Part 1 has what you need to know about grinding cutting bits. If you are using a quick change toolholder you'll grind the angles differently than using Armstrong toolholders. The effective angles will be the same. I'm sure you can figure it out :)...

Fixed it. Should have stated inch lbs. End result was correct as I used inch lbs in the original calc.

Clamping force per bolt. If I recall correctly when calculating clamping force with a torque value course or fine doesn't matter nor would the curved action come into play much.

.25" steel bolt @ 44 inch lbs unlubricated = ~900 lbs clamping force. Lubricated ~1060-1125 lbs clamping force. Fixed it. Should have stated inch lbs. End result was correct as I used inch lbs in the original calc.

Bighorn TL3 is controlled feed. American Rifle Co Mausingfield is another. Both have mechanical ejection.

Lots of Salazar's 30-06 info here: http://www.6mmbr.com/gunweek091.html

No safety lug on Wheeler's Panda conversion as far as what I've seen. When the bolt is in battery the extractor is right there in the raceway perfectly visible. Borden has released their drop port and Wheeler appears to have switched to them as have many others. I'll bet Borden is selling them...

http://www.littlemachineshop.com/products/product_category.php?category=-421559299