Lothar Walther ready to go for the AR/QBD

[rsterne]

Beautiful job, Sean.... I hope to be not too far behind you.... I have a 15mm OD LW blank in .25 cal sitting here now....

Bob

[SeanMP]

I finally got some time to get the barrel finished up and installed on the rifle for some testing.

DSCF0183.jpg

First thing I noticed when I chambered a pellet was the throat lead was too tight and would need a bit more work with the reamer.

Here is the rifle with the first 5 shot group, Meisterkugelns at 10m. Not too bad for the first 5 shots through a new barrel but something is obviously not up to snuff

DSCF0182.jpg

I took the barrel off again and eased the throat lead a bit more and repolished.
The next 5 shots looked a lot better
DSCF0186.jpg

And it passed the Anschutz test

DSCF0187.jpgDSCF0188.jpg

I still have to test a variety of pellets at different velocities to see how fussy this barrel is. ( I'm guessing it wont be) but I'm pretty happy with what I'm seeing here with a randomly selected pellet.

[Dukemeister]

me like!

[rsterne]

Good idea on the "vee".... Why would the breech need changing?....

Bob

[Gippeto]

Bob is obviously not trying to reply using his phone...much faster...with bigger keys. Lol

X2

[SeanMP]

It's all over the board Al.

Walther has 3 at 9, 12 and 3 oclock
Steyr has 3 across the 12 oclock position
FWB has 6 in rows of three at 3 and 9 oclock

I think they need that rigidity to ensure the barrel doesn't touch the tube it floats inside.

I do like that idea Bob of arranging 2 rows at at 120deg. Set into a shallow radius groove that would be rock solid. Then completely float the remainder of the barrel.

[SeanMP]

I was considering this option as well for the next build. What I was pondering is if a shallow V shape loading platform, that was the whole width of the receiver opening, might be a lot easier to load. A pellet would tend to roll to the bottom of the V? Thoughts?

But it would involve making a breech that had about an inch more tenon socket.