.25 Chaser

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Headdamage

Post subject: .25 Chaser

Posted: Tue Jan 25, 2022 1:50 pm

Joined: Tue Nov 18, 2014 12:23 pm
Posts: 477
Location: Calgary

For something to do this past weekend I took the .25 breech and barrel from my Wes Bandit and fitted it to my Chaser. It works not too badly with CO2, 25gr pellet is 375fps (8ftlbs)with the pistol barrel and 425fps (10ftlbs) with the 16" carbine barrel. I used the Bandit hammer spring and transfer port but other than that I didn't change any of the internal CO2 parts. I'd love to find a .30 cal conversion to try.

_________________
Slavia 630/77 & 624, 1322, 1377, 2240, 2240/2260, WF600, Vantage .22, Falcon .22,
Talon .25, CR600W .22, PR900W .22, Stormrider .177 & sub 500fps .177,
Chaser .22, Chaser .22 HPA, Bandit/PP800 PCP .25, Artemis M11 .22, Webley Mk6 .177

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killercrow

Post subject: Re: .25 Chaser

Posted: Tue Jan 25, 2022 3:20 pm

Joined: Thu Oct 13, 2005 4:20 pm
Posts: 2374
Location: Spruce Grove AB

Nice! .25 pistols are fun.
If you're looking to maximize your fun with a short barrel you'll likely need bigger ports. Not sure if that's your goal...
For my .25 Cr mk1 builds, I open the ports to .20" and the valve throat .22" (approximately) this paired with 8" of barrel gives me about 430-440fps with 25 gr pellets. A .18" port and corresponding throat size puts the gun at a mild tune with better shot count. Around 390-400fps.

I'm not familiar with the chaser but I assume it's pretty standard issue.

I have been thinking of trying a .30 cal build as well... Just need to find a barrel.

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walther

Post subject: Re: .25 Chaser

Posted: Fri Jan 28, 2022 10:58 am

Joined: Mon Jun 16, 2008 4:36 pm
Posts: 976
Location: nvvan

Headdamage wrote:

Interesting. My chaser with 8.25 chopped barrel does 9.4 ft lbs 21Gr h&N HP slugs 440ish. Hits way harder than I expected.

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I machine, I build , I shoot
Sent via Flux Capacitor uF

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