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Messages - Hobbyman2007

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General Airgun Forum Discussion / Re: Why build instead of buy
« on: December 11, 2016, 05:03:32 PM »
My bad, it was the 25 gr. but a pellet from a .257 barrel none the less.
LW barrels are quite large for .25 pellets at .254/.248 and we know how they shoot when prepped right.

General Airgun Forum Discussion / Re: Why build instead of buy
« on: December 11, 2016, 04:44:32 PM »
I just think we will probably see any mass marketed .257 due to the simple fact that its not a pellet caliber. I had begged and pleaded with EBB to get them to build me a .257 but brent was not really digging it. Looks like they finally did come out with one. Would not mind checking one out sometime.

Jack Haley is sorta the guy who started folks down the airgun road with this caliber. His guns really cleaned everyones clock at the LASSO events. Bet he would get a big kick outta how popular this caliber has become if he were still with us. Never shot one of his big bores. The wait to get one was beyond insane. Even today they still sell for mega bucks.

Back to where this cart is going today. Even if someone made a pellet that would work in our .257 barrels, I don't think it would fly very well being the barrel twist rates are not optimum for both, which is key to the big companies getting on board in making em.

I've seen reports of the heavy mk1 JSB pellets shooting just fine if not great out of a .257 barrel. Let's see if I can find the posts.

Best post of the year award goes to....................GungaDin.

Fantastic , I needed a good laugh and cry . Now to try and explain to my wife how an airgun forum got to be so funny.

The Garage / Re: My best tune yet
« on: December 02, 2016, 04:03:49 AM »
I'm using full .250 porting throughout. It goes against what is the norm (.180 to .2 ) but it works for me . I was going to build a hammer ( 100 fpe )from this one at first but changed direction ,which explains the huge ports.

PCP, C02, and Helium Powered Airguns / Re: Regulated Disco Double
« on: December 01, 2016, 06:47:23 AM »
I sure wish the manufacturers (crosman/Benjamin) would follow your lead on the design of your breech Bob. Nothing worse than that absolutely useless 4x40 breech screw crosman uses. Nice work

The Garage / Re: My best tune yet
« on: November 27, 2016, 02:23:05 PM »
I managed to find a couple QB79 blocks for my builds. Drilled and tapped to 10-32 x3 in a better location than stock (1/4 " material before end of tube )

The Garage / Re: My best tune yet
« on: November 27, 2016, 08:29:15 AM »
Yes it's a Cothran tube , ordered in disco length but cut down to have a 9" long plenum after the drop down block. This rifle will outshoot its owner no doubt. 1/2" groups at 50 yards from a bench is not uncommon.

Ask Bob / Re: Capacity of QB78 Platform for .223/.224
« on: November 27, 2016, 06:47:31 AM »

I've managed to get a disco Cothran valve to work in a QB/AR build in .357. Here's the link to the post in another forum.
Not that really complicated ,just a little time consuming with the tools I have available . Good luck with the build

PCP, C02, and Helium Powered Airguns / Re: new prod ?s
« on: November 26, 2016, 05:45:40 PM »
First thing I'd do is get the accuracy with a hammer forged barrel from MM. Power is straight forward for the most part , more valve ,more hammer ,more ports.....more cowbell . All the power in the world won't help if you can't hit anything.

PCP, C02, and Helium Powered Airguns / Re: New Evanix coming
« on: November 22, 2016, 04:11:35 AM »
With all the advances of PCP rifles in the last few years . I'm surprised there haven't been more blowback or semi auto rifles released. Can't wait , the future looks bright.

The Garage / Re: My best tune yet
« on: November 21, 2016, 11:35:12 AM »
Here's a pic of the said rifle .

The Garage / My best tune yet
« on: November 21, 2016, 11:32:10 AM »
After hundreds of hours ,different springs ,transferports ,hammer weights and let's not forget the tins of pellets . I think I've got the perfect tune for my frankengun. Pics of the rifle are to follow.

PCP, C02, and Helium Powered Airguns / Re: The evolution of a disco.
« on: September 18, 2016, 06:11:46 AM »
The probe less mod you did is awesome . I wasn't sure how to accomplish a "J" slot on a BNM breech. Nice work. I'll take two .

PCP, C02, and Helium Powered Airguns / Re: First build
« on: August 22, 2016, 02:18:14 PM »
I think the only problem with the mrod is the magazine . It won't give you many options for cast bullets in .257 cal. The day someone makes a magazine fed rifle capable of  .750 " long ammo in any caliber  I'll buy two .

PCP, C02, and Helium Powered Airguns / Helium found in tanzania
« on: June 28, 2016, 02:04:18 PM »
Though I'd share . Scientist have found a large deposit of Helium on Tanzania . Let's hope the price for the gas will reflect in the price,although I'm not gonna bank on it.

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