GTA

All Springer/NP/PCP Air Gun Discussion General => Machine Shop Talk & AG Parts Machining => Show us your Custom Airgun Parts (TRICKS-N-TIPS) => Topic started by: sixshootertexan on February 08, 2014, 07:08:52 PM

Title: 12FPE Pistol Build
Post by: sixshootertexan on February 08, 2014, 07:08:52 PM: Building a 12 FPE to try out Pistol Field Target. It's nothing outrageous. Custom air tube with Disco internals, Mrod Trigger, and a custom breech with shroud. Have the tube made now need to start breech.

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol006_zpsf5d9ca90.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol006_zpsf5d9ca90.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on February 14, 2014, 09:53:56 PM: Got the lathe work done on the breech.

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol_zpsbbcd6f71.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol_zpsbbcd6f71.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on February 15, 2014, 06:47:43 PM: Got a little of the mill work done on the breech. Cut barrel to length and recrowned it.

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol014_zps1dc81508.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol014_zps1dc81508.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: PetefromTn on February 15, 2014, 08:30:11 PM: Looking good man is that nozzle for a shroud? I have a pistol I made awhile back completely from scratch that Is .22 and I have been considering making it a .177 and using it for PFT. Peace

Pete
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on February 16, 2014, 05:34:57 PM: Thanks Pete. Yes it will have a shroud on it.
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on February 18, 2014, 09:20:44 PM: Some more mill work done on the breech today. Rail milled, barrel set screw hole drilled and tapped and shroud retention screw hole drilled and tapped.

(http://i42.photobucket.com/albums/e330/sixshootertexan/DSC00157_zps8635bf5c.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/DSC00157_zps8635bf5c.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on February 19, 2014, 08:59:45 PM: Got the mounting holes and bottom contoured to air tube. I sawed a piece of tubing for the shroud need to machine it yet, just put it on to see how it looks.

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol027_zpse712699e.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol027_zpse712699e.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on February 20, 2014, 09:48:52 PM: Breech is finished and I made the front cap for the shroud.

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol028_zps35d61143.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol028_zps35d61143.jpg.html)

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol030_zpsebabbd32.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol030_zpsebabbd32.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: PetefromTn on February 20, 2014, 10:06:35 PM: Lookin' good six... Keep up the good work and progress reports man. Peace

Pete
Title: Re: 12FPE Pistol Build
Post by: Chako on February 20, 2014, 11:22:51 PM: Nice, whats the basic specs?
how much $ are you in, and what is the total going to be?
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on February 22, 2014, 04:56:13 PM: Got the last couple pieces that I needed done. Tport, hammer cocking pin, and made a 3/16" plate with drilled and tapped holes so I could cut the Holo-Krome low profile cap screws down to 3/16" since they only come in 1/4". Oh I forgot the barrel support for the muzzle end of the barrel. Now I need to assemble and start test filling it. I have the stock 22XX tport and hammer pin next the the custom ones I made. They are longer because of the custom breech/shroud.

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol035_zps22a2ea87.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol035_zps22a2ea87.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on February 22, 2014, 04:58:50 PM: Quote from: Chakolicous on February 20, 2014, 11:22:51 PM
Nice, whats the basic specs?
how much $ are you in, and what is the total going to be?

I'll have to total up the cost when I'm done. Wood for the stock is probably gonna double my cost.
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on February 22, 2014, 11:26:30 PM: ready to fill and test
(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol037_zps1715cff8.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol037_zps1715cff8.jpg.html)
(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol043_zps8d369dca.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol043_zps8d369dca.jpg.html)
(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol044_zps9006f9cd.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol044_zps9006f9cd.jpg.html)
(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol052_zpscb9678c0.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol052_zpscb9678c0.jpg.html)
(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol054_zps975027aa.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol054_zps975027aa.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on February 23, 2014, 01:33:52 PM: Filled it this morning to 2000 psi and let it set about 15 minutes and it had leaked down to about 1700 psi. Going to have to look for a leak. Refilled it and first shot across chrony was a little over 12 FPE. It was 20. Crosman 14.3 @ 799 fps. Guess I'll have to detune it a bit. I'll try a lighter hammer spring first.

10 shot string
799
790
774
764
752
740
720
708
681
665
Title: Re: 12FPE Pistol Build
Post by: MultimediaMan on February 23, 2014, 03:17:48 PM: Really Nice!
Title: Re: 12FPE Pistol Build
Post by: PetefromTn on February 24, 2014, 10:24:13 AM: Nice man... A little tuning and you will probably have a sweet shooter there... Peace

Pete
Title: Re: 12FPE Pistol Build
Post by: Monkeydad1969 on February 24, 2014, 11:25:22 AM: That is nice. I can't wait to see it once you finish.

Joe
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on February 24, 2014, 08:49:19 PM: Thank y'all. I made a new tport. The first one had a .136" hole which is the same as a stock disco tport. New one has a .089" hole. I also borrowed a spring from my 2300 pistol to try. Now I have to wait until Saturday to test again.

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol070_zps0c28167d.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol070_zps0c28167d.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on February 28, 2014, 08:55:58 PM: New tport and spring got me down to 450fps @ 6.4fpe. Now I can open tport in small increments until I get the tune I want. Next test will be with a .096" tport.
Title: Re: 12FPE Pistol Build
Post by: Monkeydad1969 on March 01, 2014, 02:47:30 AM: Nice...can't wait to see your results.
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on March 01, 2014, 06:16:41 PM: Tried the .096" tport today and it was still to slow but did bring it up some. I opened it open .102" and gave that a try. Better but still low 500's. Opened it up to .115" and was getting close around 560. I then put the disco spring back in and it jumped to 770, not good. So I put the first tport .136" back in and the 22xx spring. No preload on the spring and it was mid 400's. 4 turns in on the RVA and bang 610. Just what I was looking for with 14.3gr pellets. Made a few shots with those pellets then switched over to JSB RS 13.43 pellets. I adjusted the preload back to 2-1/2 turns in and started shooting. I put a CP red dot on it to test with, shooting at 10yds I could not even see the little bullseyes without any magnification. It got around 30 good shots from a 2000psi fill. Accuracy is a little off but I'm shooting without any grips.

(http://i42.photobucket.com/albums/e330/sixshootertexan/2400002_zps311efe70.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/2400002_zps311efe70.jpg.html)

(http://i42.photobucket.com/albums/e330/sixshootertexan/scan0001_zpsbf088615.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/scan0001_zpsbf088615.jpg.html)

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol086_zps80a3cc5a.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol086_zps80a3cc5a.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on March 01, 2014, 08:14:43 PM: Picked up some walnut to make a stock for it.

(http://i42.photobucket.com/albums/e330/sixshootertexan/2014-03-01101413_zpsc0ce13ca.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/2014-03-01101413_zpsc0ce13ca.jpg.html)

(http://i42.photobucket.com/albums/e330/sixshootertexan/2014-03-01101457_zpsb8d6bc33.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/2014-03-01101457_zpsb8d6bc33.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: AmBraCol on March 01, 2014, 10:23:39 PM: Are you SURE you can manage to squeeze that pistol into that tiny piece of walnut? :o

;D

Looking good!
Title: Re: 12FPE Pistol Build
Post by: Big Bore Bart on March 01, 2014, 10:55:27 PM: I thought he was going to install a remote trigger, and just put the muzzle against the target. :P ;D ;D ;D
Title: Re: 12FPE Pistol Build
Post by: AmBraCol on March 01, 2014, 10:58:44 PM: Quote from: Big Bore Bart on March 01, 2014, 10:55:27 PM
I thought he was going to install a remote trigger, and just put the muzzle against the target. :P ;D ;D ;D

Turn it into a kind of giraffepup, eh? ;D ;D ;D
Title: Re: 12FPE Pistol Build
Post by: Big Bore Bart on March 01, 2014, 11:05:24 PM: Quote from: AmBraCol on March 01, 2014, 10:58:44 PM
Quote from: Big Bore Bart on March 01, 2014, 10:55:27 PM
I thought he was going to install a remote trigger, and just put the muzzle against the target. :P ;D ;D ;D

Turn it into a kind of giraffepup, eh? ;D ;D ;D

;D ;D ;D ;D ;D
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on March 01, 2014, 11:18:29 PM: Yeah I got a little extra for some other projects.
Title: Re: 12FPE Pistol Build
Post by: milo74 on March 04, 2014, 07:23:19 PM: Quote from: sixshootertexan on February 14, 2014, 09:53:56 PM
Got the lathe work done on the breech.

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol_zpsbbcd6f71.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol_zpsbbcd6f71.jpg.html)
what is the od of the breech before milling?thanks
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on March 04, 2014, 08:35:53 PM: It was 1.400".
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on March 06, 2014, 09:24:51 PM: I ordered a new spring for it. I ordered a spring for a 1377, it's a 6.5lbs spring. i learned that the disco is 8.5 and the 22xx is 4.5. My Cold blueing came in and I tested it on a leftover piece of tubing. I sanded it in four areas. I used 320, 600. 1000 grit dry. Then I used 1000 and oil for the last area. The 1000 grit dry produced the best finish to me. Taking a picture of it is hard to do put here's one.

(http://i42.photobucket.com/albums/e330/sixshootertexan/DSC00164_zpsbd5370c6.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/DSC00164_zpsbd5370c6.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: Monkeydad1969 on March 06, 2014, 09:35:19 PM: Quote from: sixshootertexan on March 06, 2014, 09:24:51 PM
I ordered a new spring for it. I ordered a spring for a 1377, it's a 6.5lbs spring. i learned that the disco is 8.5 and the 22xx is 4.5. My Cold blueing came in and I tested it on a leftover piece of tubing. I sanded it in four areas. I used 320, 600. 1000 grit dry. Then I used 1000 and oil for the last area. The 1000 grit dry produced the best finish to me. Taking a picture of it is hard to do put here's one.

(http://i42.photobucket.com/albums/e330/sixshootertexan/DSC00164_zpsbd5370c6.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/DSC00164_zpsbd5370c6.jpg.html)

Ricky,

Are you talking trigger sear spring or hammer spring?

Joe
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on March 06, 2014, 10:16:32 PM: hammer spring
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on March 07, 2014, 09:35:33 PM: Did some stock work today. Inlet the air tube and trigger assemble and cut the trigger hole.

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol092_zpsac553eb4.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol092_zpsac553eb4.jpg.html)

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol091_zpsa4609c13.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol091_zpsa4609c13.jpg.html)

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol093_zps99a584e8.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol093_zps99a584e8.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: Monkeydad1969 on March 08, 2014, 12:54:11 AM: Very nice...you can make me a stock too...while you're at it. :D
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on March 08, 2014, 01:59:49 PM: Rough sawed.
(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol096_zpscebf7c61.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol096_zpscebf7c61.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on March 08, 2014, 07:07:26 PM: Well this is where I stopped working on it today. I'm not totally happy with it yet. My do some more shaping to it later.

(http://i42.photobucket.com/albums/e330/sixshootertexan/DSC00170_zps09a430b4.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/DSC00170_zps09a430b4.jpg.html)

(http://i42.photobucket.com/albums/e330/sixshootertexan/DSC00169_zpsb5c5bdd4.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/DSC00169_zpsb5c5bdd4.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: Frank in Fairfield on March 08, 2014, 08:47:41 PM: Looks good Ricky.
I think I saw someone who took a PCP rifle, just hacked off about 12 inches of rifle barrel/shroud/baffles, put on a new stock (handgun type) and voila....a handgun.
Sorta like a sawed off shotgun.
Or the rifle/handgun Steve McQueen used in Wanted Dead or Alive..
I think it was a AA s510 that was chopped up for HFT.
Worked well, too.
You do good work but.....
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on March 09, 2014, 04:45:13 PM: Well I decided the stock is not what I want. I got the trigger pull length wrong and I need to move the entire grip back 3/4". This will allow me to do the detail I wanted on the rear of the stock under the airtube. Since I'm not going to use this stock as my main one I didn't get crazy with trying to sand it to a high quality finish. It still has some small blemishes but was sanded down with 400 grit. Going with the cheapest but not necessarily worst finish, I'll be using Tru-Oil.

Final sanding pics
(http://i42.photobucket.com/albums/e330/sixshootertexan/DSC00173_zps71849b8b.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/DSC00173_zps71849b8b.jpg.html)

(http://i42.photobucket.com/albums/e330/sixshootertexan/DSC00172_zps23a99a9d.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/DSC00172_zps23a99a9d.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on March 18, 2014, 07:28:50 PM: I'll get more pics later.

(http://i42.photobucket.com/albums/e330/sixshootertexan/DSC00181_zps933c6c90.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/DSC00181_zps933c6c90.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: Monkeydad1969 on March 18, 2014, 07:38:57 PM: Very nice. How does it shoot?

Joe
Title: Re: 12FPE Pistol Build
Post by: AmBraCol on March 18, 2014, 08:12:53 PM: Quote from: sixshootertexan on March 18, 2014, 07:28:50 PM
I'll get more pics later.

(http://i42.photobucket.com/albums/e330/sixshootertexan/DSC00181_zps933c6c90.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/DSC00181_zps933c6c90.jpg.html)

Lookin' sweet!
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on March 23, 2014, 08:35:09 PM: Mounted a rifle scope on it until I decide which pistol scope I want. Only shot 10yds today because the wind was nasty.

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol114_zpsb5f1aaf6.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol114_zpsb5f1aaf6.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: Monkeydad1969 on March 23, 2014, 09:58:41 PM: Quote from: sixshootertexan on March 23, 2014, 08:35:09 PM
Mounted a rifle scope on it until I decide which pistol scope I want. Only shot 10yds today because the wind was nasty.

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol114_zpsb5f1aaf6.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol114_zpsb5f1aaf6.jpg.html)

No complaints here.
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on March 24, 2014, 09:15:04 PM: Thanks but at 10yds it should be 1 holing if I want it to nickel size at 30yds.
Title: Re: 12FPE Pistol Build
Post by: Monkeydad1969 on March 24, 2014, 11:51:14 PM: Do you think it needs a barrel band?
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on April 04, 2014, 10:16:45 PM: May try a barrel band. Here is a 30yd target after I did some barrel work. Had a 5mph crosswind pushing pellets to the left, with a couple oops from me.

(http://i42.photobucket.com/albums/e330/sixshootertexan/AirgunPistol115_zpsefcbc2ee.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/AirgunPistol115_zpsefcbc2ee.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: crosman999 on April 04, 2014, 10:27:10 PM: Very impressive machine work,nice and clean looking.Looking forward to seeing the completed project.Thanks for sharing 8)
Title: Re: 12FPE Pistol Build
Post by: Doctorsolo on June 25, 2014, 04:20:12 PM: Amazing work. I wish I had the tools to do something like this.
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on July 29, 2014, 12:30:22 AM: Thanks guys. Working on a new stock for it.

(http://i42.photobucket.com/albums/e330/sixshootertexan/Airgun150_zps4b1f2e2b.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/Airgun150_zps4b1f2e2b.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: 1377x on July 29, 2014, 03:03:24 PM: Sweet pistol!!
great job!!
Title: Re: 12FPE Pistol Build
Post by: PatrickB on August 16, 2014, 10:13:00 PM: I am always a little envious of people with talent LOL. What a sweet set up, congratulations are in order sir.
Pat
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on August 21, 2014, 08:19:03 PM: Thanks I finally got some pics of it mounted.

(http://i42.photobucket.com/albums/e330/sixshootertexan/DSC00201_zps9268e9bc.jpg) (http://s42.photobucket.com/user/sixshootertexan/media/DSC00201_zps9268e9bc.jpg.html)
Title: Re: 12FPE Pistol Build
Post by: aluminumfetish on March 15, 2016, 10:30:41 AM: BUMP>>> Have you made any more progress on this project ? Can you post any more groups ? I know this is an old thread, sorry.
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on March 15, 2016, 11:19:27 AM: I raised the FPE to 16.
http://www.gatewaytoairguns.org/GTA/index.php?topic=96175.msg898600#msg898600 (http://www.gatewaytoairguns.org/GTA/index.php?topic=96175.msg898600#msg898600)
Title: Re: 12FPE Pistol Build
Post by: Yogi on April 20, 2016, 07:56:28 PM: Shouldn't your grip have more sweep to it?

-Y
Title: Re: 12FPE Pistol Build
Post by: sixshootertexan on April 25, 2016, 11:38:46 AM: Fits my hand just right.

SMF 2.0.19 | SMF © 2021, Simple Machines
SMFAds for Free Forums
Simple Audio Video Embedder
SimplePortal 2.3.4 © 2008-2011, SimplePortal | Powered by SMFPacks Ads Manager Mod | Powered by SMFPacks Alerts Pro Mod | Powered by SMFPacks Media Embedder