Calvin45's latest activity

I'm tagging in for anything .257

In my experience .257 caliber anything is a super deer size and under game killer. As you have said the 110 Accubond has been a great...

Lots of conversation about angles and case sizes and ratios trying to find those magic 'golden numbers' which often hide for decades or...

A bud and I have been working with a few single radius shoulder wildcats since the late 90s and early aughts. Very efficient and minimal...

Even at 45°, shoulders are difficult to form the wider they are. For example, the 30-06 based 40° & 45° are simple to form when cases...

I know it's a risk. The cost of a reamer, barrel, & some brass. My intent is to NEVER bump shoulders (nor collapse them),, and I'll...

60 degree shoulder???? Holy smokes man, how would you go about doing that without just collapsing the shoulder entirely, I’ve heard...

I'm considering 60deg shoulders for my next chamber. Not only for efficiency, but to hopefully eliminate a need for shoulder bumping...

Ok, Roy looked at his design and quoted the radius shoulder acted like a velocity stack, which is a common device shown in fluid...

will or does 1 angle over the other (given same parameters - shoulder angle) give longer brass life and/or less case stretch? besides...

Mr. Maniac sir!!!! I’m trying to remember if I was you i was talking with a while ago about this, but either way….what’s your take...

To answer this simply as someone that designs my own cases, YES, shoulder angle and case taper matter, not just for the brass, but for...

Sako L579 Forrester given to me by my uncle around 2000. He purchased it in early 60's as a .243 and shot the bbl out on woodchucks. Had...

I trained a "flatlander" for a sheep hunt in the Yukon. Sled drags, loaded carries, dragging a sled while carrying weight, vest walks...

Find a 50 story hi-rise, a pack pack with 20lbs to start and start walking the steps 3 or 4 times a week...