My first tune. 😁
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Gamo & Spanish AirGun Gate
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My first tune. 😁
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Topic: My first tune. 😁 (Read 396 times))
Mintyman
Shooter
Posts: 74
yes
Real Name: Greg
My first tune. 😁
«
on:
January 11, 2022, 06:47:21 PM »
So I bought an old Big Cat and it shot ok but needed work. From the info you all have provided I decided to give it a tuneup.
A new JM spring and seal, honed and de burred everything. I have a machinist friend that made me a new steel top hat that is snug on the spring and tighter in the piston. He also made me a rear bushing and spring guide from brass. The new rear guide is also “snugger” in the spring and aluminum trigger block. I Installed the new GRT-4G trigger and cleaned up all the moving parts with a stone and a light coat of moly.
Was getting dark last night so I only got a few dozen shots in.
Today my resettable squirrel target arrived so I had to christen it.
First pic is my first 2 shots 50’ away with 10.65gr H&N Barracuda power. Second pic was the next 2 shots. I’m happy! That trigger is SO much better. Crisp, clean and perfect!!
Squirrels beware!! Lol
Also, why are these labeled “only for pcp’s”?
«
Last Edit: January 11, 2022, 06:59:23 PM by Mintyman
»
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US, NJ, Vernon
Gamo Big Cat .177
Benjamin Elite Powermaster .177
Crosman 362 #1480 scoped .22
Crosman 362 #1476 Williams peep .22
Shanghai QB36 .177
Crosman 766 1st gen scoped
Crosman 760
sfcnewy
Shooter
Posts: 68
yes
Real Name: Ray
Re: My first tune. 😁
«
Reply #1 on:
January 11, 2022, 08:42:16 PM »
Hey Greg
Congratulations on the tune1!! Glad it worked out for you!
I recently did the same for my CFX...my son "the machinist" made a nice and tight top hat...used a lighter weight spring as it's my indoor shooter. CDT trigger was a sweet upgrade too!
I must confess that I used to be a "Gamo snob"....but no longer. A tune like we did certainly changed my mind on these diamonds in the rough!
Enjoy your Gamo!!
Regards
Ray
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Wisconsin
Mintyman
Shooter
Posts: 74
yes
Real Name: Greg
Re: My first tune. 😁
«
Reply #2 on:
January 11, 2022, 08:52:02 PM »
Thanks. It’s going to be my squirrel/ woods gun.
I enjoyed putting the finishing touches on it. This gun was cheap and shot decent and after research turned into an accurate and very fun to shoot gun.
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US, NJ, Vernon
Gamo Big Cat .177
Benjamin Elite Powermaster .177
Crosman 362 #1480 scoped .22
Crosman 362 #1476 Williams peep .22
Shanghai QB36 .177
Crosman 766 1st gen scoped
Crosman 760
OleTomCat
Tree Rats Beware.
GTA Senior Contributor
Posts: 8737
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Real Name: Al
Re: My first tune. 😁
«
Reply #3 on:
February 10, 2022, 10:40:18 PM »
Great job, glad it worked out well for you
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Cross, SC
Home Of Air Guns Inc.
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avator
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Posts: 50196
The best "Bad Dog" I ever had.
Real Name: Bill
Re: My first tune. 😁
«
Reply #4 on:
February 10, 2022, 10:44:13 PM »
"Only for PCP" probably means not for PB guns.
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From deep within the Rabbit Hole, Alabama
Charter Member Of The Secret Squirrel Society 20FEB202
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All Springer/NP/PCP Air Gun Discussion General
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My first tune. 😁