Crosman 357 Pistol Help
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Topic: Crosman 357 Pistol Help (Read 1537 times))
MonsterManiac7
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Crosman 357 Pistol Help
«
on:
January 08, 2013, 10:04:10 PM »
After little more than a month of shooting this pistol, I have encountered a problem. It shoots once hard, but then repeat shots lose a ton of velocity(fast repeat). Then, you can wait about 10 seconds, and it will shoot hard again, but if you try a shot directly after it will barely even get the pellet out the barrel. Then, you wait 10 seconds and it shoots hard again.....etc. I tore the whole gun apart and can't find a problem. Anyone have this happen? What's wrong with it?
Jon
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GatorCountry
Marksman
Posts: 323
Real Name: Mark
Re: Crosman 357 Pistol Help
«
Reply #1 on:
January 08, 2013, 10:13:32 PM »
CO2 guns need a cycle time to allow the barrel to come back up to temperature, as the CO2 cools it with each shot. The 10 second pause between shots sound about right, but the drop when you don't sounds extreme. What is the air temperature when you're shooting?
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Monroe, NC
The ones that get fed (all .177): Air Arms TX200 MKIII, S200 FT; Weihrauch HW97K, HW50S and HW30S; Diana 54 and 34, Nova Freedom.
MonsterManiac7
Guest
Re: Crosman 357 Pistol Help
«
Reply #2 on:
January 08, 2013, 10:33:35 PM »
Room temp. Yeah it barely gets the pellets out the barrel at all after 1 shot.
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GatorCountry
Marksman
Posts: 323
Real Name: Mark
Re: Crosman 357 Pistol Help
«
Reply #3 on:
January 08, 2013, 10:42:18 PM »
Outside my experience then. I was thinking it might have been in fairly cold outside conditions.
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Monroe, NC
The ones that get fed (all .177): Air Arms TX200 MKIII, S200 FT; Weihrauch HW97K, HW50S and HW30S; Diana 54 and 34, Nova Freedom.
Gesshoku
Marksman
Posts: 341
^ Hike'n AZ
Real Name: Shane
Re: Crosman 357 Pistol Help
«
Reply #4 on:
January 09, 2013, 10:17:45 AM »
Hmm, I'd agree with Gator that it seems like the warm-up time issue. I know on mine I can fire as fast as I can pull, but that's down here in Louisiana in 95F+ temps @10shots before letting it rest between reloading. Maybe your room temp just isn't high enough to sustain it.
With so few parts in that gun, I can only assume that if in-fact the temp isn't the sole issue, maybe it's got a faulty valve. But, that's beyond my field as well. Hopefully someone else will chime in.
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Houma, LA
Mine:
| MM-QB79 .22 | Crosman 400 | TR77 | Titan GP .22 | QB-57 .22 | CCS 2300KT | 1322 w/ stock | Crosman 357|
Wife's:
| Crosman 760P | Gamo Lady Recon |
mtbdrew
Expert
Posts: 1124
yes
Re: Crosman 357 Pistol Help
«
Reply #5 on:
January 09, 2013, 12:43:54 PM »
Quote from: MonsterManiac7 on January 08, 2013, 10:33:35 PM
Room temp. Yeah it barely gets the pellets out the barrel at all after 1 shot.
What's your room temperature?
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Texas, Rhome
Discovery .22
Hammerli Pneuma .22
Crosman Titan GP .22
TF99 (QB36-1) .177 (Gas Ram converted)
Crosman 1377 converted to .22
Crosman Nitro Venom Dusk .177 (low powered gas ram)
Xisico XS46U .22 (Gas Ram converted - low power)
MonsterManiac7
Guest
Re: Crosman 357 Pistol Help
«
Reply #6 on:
January 09, 2013, 03:44:47 PM »
Room temp is 68. This problem started in the summer, so I havent shot till about a week ago when I decided it would be worthwhile to figure it out. I pulled the gun apart and it appeared all the seals are fine....it used to cycle fine in cold winter weather
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MonsterManiac7
Guest
Re: Crosman 357 Pistol Help
«
Reply #7 on:
January 10, 2013, 09:21:11 PM »
Any ideas?
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Gesshoku
Marksman
Posts: 341
^ Hike'n AZ
Real Name: Shane
Re: Crosman 357 Pistol Help
«
Reply #8 on:
January 10, 2013, 11:50:06 PM »
If it used to cycle fine in cold weather and now its not, it's gotta be a damaged valve somehow. Maybe something got into it. I heard that too much pellgun oil or even gunk off the co2 carts can gum it up.
Guess talk to crosman about it, might be cheap enough for a new valve, but at $50 to replace the entire gun, I'm not sure if it'll be worth it.
Logged
Houma, LA
Mine:
| MM-QB79 .22 | Crosman 400 | TR77 | Titan GP .22 | QB-57 .22 | CCS 2300KT | 1322 w/ stock | Crosman 357|
Wife's:
| Crosman 760P | Gamo Lady Recon |
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All Springer/NP/PCP Air Gun Discussion General
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Crosman 357 Pistol Help