New Pellets in Holland

[rsterne]

Looks FABULOUS, Sean.... How did the chamber work out, or are you going to taper lap it first?.... I can't wait to see it.... BTW, what is the OD of the CF tubing?....

Bob

[SeanMP]

The chamber worked out really good.
It is 0.2255 to a 10deg step at 0.525" in
then it is 0.2245 for 0.125" (this section will likely be affected by the lap and end up at 0.2248....ish)
then 1 1/2 deg leade

The base of the bullet will need to be 0.515+ from the breech end

The OD of the CF measures 0.611" max

[SeanMP]

You'll need to chuck the barrel and indicate the bore then screw on your stripper and bore a skim pass....mine is off so I expect yours may be

Oh and we have bullets . Mrs picked up the parcel today

[rsterne]

KEWL !!!.... I phoned Mike Sayers and passed along your compliments on the consistent bore size throughout.... told him we were very pleased....

Bob

[SeanMP]

Two hours of lapping later and things are looking better. But the throat is still too tight

IMG052.jpg

[rsterne]

Hard to see from the photo.... but it looks like the grooves are no longer touching the bullet?....

Bob

[SeanMP]

Sorry Bob that's a crappy pic

Here is what we have after a bit more work on the throat. You can see the contact mark in the grooves best on pic 3. Minimal smearing and full contact.
41.5 Final 1.jpg
41.5 Final 2.jpg
41.5 Final 3.jpg

Compare it to this before image
41.5 Pre Lap.jpg

[rsterne]

Looks GREAT!!!.... at least to my eye.... BIG improvement over the original situation....

Bob