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Well, it has been a lovely long weekend with a good blend of family and shop time. I'll open by saying I did not follow my original...

How much air? A small chance you are limited in air volume. If your gun is regulated you may not have enough air to accelerate the...

For my Mrod, replaced the 20" LW barrel with 24" LW with the same specs and got a 60+ fps increase without any adjustments.

I would expect more of a velocity increase, if the starting length was "short". Unless the plenum were very small, and the valve...

Perhaps plenum size is restricting the velocity benefit of the longer barrel? The 700 Vet2s from the factory come with an additional...

The new barrel may have higher bore friction. Shoot it some more and see if it improves. If your tune is mild the last few inches of...

After lapping the bore to be even, a choke at the muzzle is not as useful as with a barrel that has tight and loose spots down the bore...

Brother I want to thank you! What an amazing difference. It was much easier than I thought it was going to be. I have learned an...

One way to look at it is, lapping is always safe because you use feedback from the barrel itself to know where and how much. The...

Well I finally got a chance to revisit the .35 cal SPA M25. It's been mothballed for a while....when I set it aside, it was still...

Better for pellets, rather than slugs.

It looks like you will have to buy one to see the manufacturer's address on the box...

PA seems to have it. Donny FL .NET seems to have it, while .COM states part is no longer made...

Steve-l, There are many different 3D printing plastic materials, with varying properties. PLA has poor thermal creep resistance...

Something that preferentially sanded down the lands, regardless of grit size. Would not happen with a "hard" lap cast of lead.