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PostPosted: Thu Apr 16, 2020 10:03 pm 
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Posts: 2633
Location: Winnipeg, Canada
Toilet brass and synthetic waterline fittings come in handy at times.

Are you using a lathe? Nice looking piston head. I had to replace the head on the 101 with delrin. The original had a groove in it that was too wide for o-ring use.
The leather seals it incorporated flaked away to dust and mush on disassembly. I think the oil wiper is a good idea, especially on a brass tube...

-D.S.

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PostPosted: Fri Apr 17, 2020 3:45 am 
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Location: Eastern Townships
Doc Sharptail wrote:
Toilet brass and synthetic waterline fittings come in handy at times.

Are you using a lathe? Nice looking piston head. I had to replace the head on the 101 with delrin. The original had a groove in it that was too wide for o-ring use.
The leather seals it incorporated flaked away to dust and mush on disassembly. I think the oil wiper is a good idea, especially on a brass tube...

-D.S.


Thank you Doc :) . Yes I have a lathe, a King KC-1022ML with a small milling attachment. Glad to have it these days!

The original style seal is NLA so I'd had to replace the piston head anyways. I have delrin, but I saw a burn mark on the original Hycar seal, so I used brass. Also an oring is easy to maintain and replace.


Attachments:
Benjamin_310_OEM_seal.JPG
Benjamin_310_OEM_seal.JPG [ 78.7 KiB | Viewed 234 times ]
KC-1022ML_1.JPG
KC-1022ML_1.JPG [ 70.16 KiB | Viewed 234 times ]
KC-1022ML_2.JPG
KC-1022ML_2.JPG [ 82.65 KiB | Viewed 234 times ]

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PostPosted: Sat Apr 18, 2020 12:41 am 
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Location: Winnipeg, Canada
That is a nice looking set-up with the King. I had been looking at similar before Luke's Machinery in Winnipeg closed.
Priced well beyond my reach. Apt. dwelling does have limitations...

Kind of curious as to what performance you will arrive at after this project is completed....

-D.S.

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PostPosted: Sat Apr 18, 2020 11:04 pm 
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Location: Somewheres near the Atlantic
I ordered a breech and other parts from GMAC. A flattop piston kit from the states. A FX radar from Wes.

Just gotta figure what optic to get for my 2289G now?


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PostPosted: Sun Apr 19, 2020 4:39 pm 
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Location: Eastern Townships
leadslinger wrote:
I ordered a breech and other parts from GMAC. A flattop piston kit from the states. A FX radar from Wes.

Just gotta figure what optic to get for my 2289G now?


I have this one on my own 2289: http://www.canadashootingsupply.ca/utg- ... rings.html

I love it for many reasons, only minor point is the eye relief is a bit short, but easy to compensate. It sits on a BNM breech, in medium profile rings, scope height is nice with the 1399 stock.


Attachments:
IMG_5283.JPG
IMG_5283.JPG [ 182.4 KiB | Viewed 164 times ]

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PostPosted: Sun Apr 19, 2020 4:51 pm 
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Location: Somewheres near the Atlantic
airmec wrote:
leadslinger wrote:
I ordered a breech and other parts from GMAC. A flattop piston kit from the states. A FX radar from Wes.

Just gotta figure what optic to get for my 2289G now?


I have this one on my own 2289: http://www.canadashootingsupply.ca/utg- ... rings.html

I love it for many reasons, only minor point is the eye relief is a bit short, but easy to compensate. It sits on a BNM breech, in medium profile rings, scope height is nice with the 1399 stock.


I see you drilled the stock for screws. Did you drill right in the center of the crossairs on each side? I'm doing up a 2289 G as well.

Hmm scope looks like the perfect size for the gun.


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PostPosted: Sun Apr 19, 2020 5:00 pm 
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Location: Eastern Townships
Today I finished making the parts I'll need to rebuild my Benjamin 310.

The bolt itself was good, just needed a little clean-up. But I had to make a handle, a cocking pin and a ''plunger'' to replace the missing locking ball (fortunately the spring was still there).

The pump arm needed care too. The spring was bent, worn and cracked, the hole where the rivet goes in the link was elongated and the rivet worn to death. I made a new ''spring pack'' from an old chain saw rewind starter spring, rebuilt the worn pivot hole in the link and made a new rivet.


Attachments:
bolt_assembly.JPG
bolt_assembly.JPG [ 97.1 KiB | Viewed 165 times ]
spring_pack.JPG
spring_pack.JPG [ 75.24 KiB | Viewed 165 times ]
link_end_and_rivet.JPG
link_end_and_rivet.JPG [ 73.46 KiB | Viewed 165 times ]

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PostPosted: Sun Apr 19, 2020 5:07 pm 
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Location: Eastern Townships
leadslinger wrote:
airmec wrote:
leadslinger wrote:
I ordered a breech and other parts from GMAC. A flattop piston kit from the states. A FX radar from Wes.

Just gotta figure what optic to get for my 2289G now?


I have this one on my own 2289: http://www.canadashootingsupply.ca/utg- ... rings.html

I love it for many reasons, only minor point is the eye relief is a bit short, but easy to compensate. It sits on a BNM breech, in medium profile rings, scope height is nice with the 1399 stock.


I see you drilled the stock for screws. Did you drill right in the center of the crossairs on each side? I'm doing up a 2289 G as well.

Hmm scope looks like the perfect size for the gun.


Yes the center of the crosshairs is exactly at the right place for the grip screws, you just need to chamfer the holes for the screw heads.

The 3 main reasons I love this scope are the light weight, compactness and good glass. The gun is very well balanced, even with the high rise breech.

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If everything's so lovely yeah, then why don't I, why don't I, why don't I, why don'I feel lovely?


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PostPosted: Sun Apr 19, 2020 9:44 pm 
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Location: Winnipeg, Canada
airmec wrote:
Today I finished making the parts I'll need to rebuild my Benjamin 310.

The bolt itself was good, just needed a little clean-up. But I had to make a handle, a cocking pin and a ''plunger'' to replace the missing locking ball (fortunately the spring was still there).

The pump arm needed care too. The spring was bent, worn and cracked, the hole where the rivet goes in the link was elongated and the rivet worn to death. I made a new ''spring pack'' from an old chain saw rewind starter spring, rebuilt the worn pivot hole in the link and made a new rivet.


Interesting bolt system. Is there a detent somewhere on the breech/receiver for the mechanicals in the bolt to abut against?

I've been very fortunate with pump arms on the older pumpers I've bought...

-D.S.

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-S.R.V.


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PostPosted: Mon Apr 20, 2020 4:32 am 
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Location: Eastern Townships
Doc Sharptail wrote:
airmec wrote:
Today I finished making the parts I'll need to rebuild my Benjamin 310.

The bolt itself was good, just needed a little clean-up. But I had to make a handle, a cocking pin and a ''plunger'' to replace the missing locking ball (fortunately the spring was still there).

The pump arm needed care too. The spring was bent, worn and cracked, the hole where the rivet goes in the link was elongated and the rivet worn to death. I made a new ''spring pack'' from an old chain saw rewind starter spring, rebuilt the worn pivot hole in the link and made a new rivet.


Interesting bolt system. Is there a detent somewhere on the breech/receiver for the mechanicals in the bolt to abut against?

I've been very fortunate with pump arms on the older pumpers I've bought...

-D.S.


This is the very first time I see such extensive wear on a single part, while the rest is not so bad at all. The pump arm link pivot is the only place on the gun where there was no lube at all, which is why I guess it was so damaged.

The bolt has that ball that locks into the inner sidewall of the breech, to keep it closed. I tried to get a good pic, hope you see the detail.


Attachments:
bolt_lock_up.JPG
bolt_lock_up.JPG [ 43.12 KiB | Viewed 132 times ]

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PostPosted: Mon Apr 20, 2020 7:08 am 
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Location: Somewheres near the Atlantic
airmec wrote:
Yes the center of the crosshairs is exactly at the right place for the grip screws, you just need to chamfer the holes for the screw heads.

The 3 main reasons I love this scope are the light weight, compactness and good glass. The gun is very well balanced, even with the high rise breech.


Thank you.


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PostPosted: Mon Apr 20, 2020 7:11 am 
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Joined: Mon Aug 08, 2016 7:23 am
Posts: 3318
Location: Somewheres near the Atlantic
Doc Sharptail wrote:
airmec wrote:
Today I finished making the parts I'll need to rebuild my Benjamin 310.

The bolt itself was good, just needed a little clean-up. But I had to make a handle, a cocking pin and a ''plunger'' to replace the missing locking ball (fortunately the spring was still there).

The pump arm needed care too. The spring was bent, worn and cracked, the hole where the rivet goes in the link was elongated and the rivet worn to death. I made a new ''spring pack'' from an old chain saw rewind starter spring, rebuilt the worn pivot hole in the link and made a new rivet.


Interesting bolt system. Is there a detent somewhere on the breech/receiver for the mechanicals in the bolt to abut against?

I've been very fortunate with pump arms on the older pumpers I've bought...

-D.S.


There is also a plate called the cam plate ( That screws to the side of the receiver using those 2 holes) that a tiny bolt that screwed into the bolt probe pushes up against, keeping the bolt forward when closed.


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PostPosted: Tue Apr 21, 2020 6:58 pm 
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Joined: Thu Mar 24, 2016 7:33 pm
Posts: 299
Location: Yukon
Well yesterday I finally got my Beeman QB Chief, PCP out onto my acreage and sighted. It is .22
I had a fierce cross wind but set up about 20 yards out. I used a table but just had a hand rest through out the site in process. I can say no matter where it hit the target between adjustments the gun easily held sub 3/4 inch grouping.
I will get it set up better whenever I get a calm morning. Really enjoyed the shoot session and only issue I had was with the clip. Never did get it figured out. Hand feeding was just fine for the day. Will need to watch a u-ube or two on this.
I can say the hand pumping was not unpleasant, but am glad 2000 psi was my upper limit.


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PostPosted: Fri Apr 24, 2020 11:56 pm 
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Joined: Wed Oct 17, 2007 3:27 am
Posts: 2633
Location: Winnipeg, Canada
Finally got a short afternoon pit session in :mrgreen:

Shot various and sundry air rifles and pistols until sundown.

Image

The 586 made this 10 shot gaper at 7 of my longish paces.
JSB dome 7.79 gr. I am definitely liking this!

Image

There's a look at my pistol form of shooting~ how that group was shot with the 586. Pistol in this picture is my Beretta 92-F pellet by Umarex.

I'm going to try to cadge more pix out of my sister. There's one decent one of me plinking with the Crosman 101....

-D.S.

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-S.R.V.


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PostPosted: Sat Apr 25, 2020 1:51 pm 
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Location: Winnipeg, Canada
Here's the 101 in action....

Image

It has a tendency to hit what ever I line up on. :mrgreen:

-D.S.

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-S.R.V.


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