Benjamin discovery barrel question
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Topic: Benjamin discovery barrel question (Read 2935 times))
bobster
Marksman
Posts: 400
Benjamin discovery barrel question
«
on:
March 22, 2012, 01:51:08 PM »
Hi, how hard is it to convert a .22 disco to a .177 disco? Can you just remove the barrel on a .22 discovery and replace it with a .177 barrel and replace the bolt? Is it really easy to do, similar to doing it on a 22xx?
Thanks!
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RatRacer
GTA Senior Contributor
Posts: 2217
Real Name: Steve
Re: Benjamin discovery barrel question
«
Reply #1 on:
March 22, 2012, 02:01:37 PM »
Yup, easy. You need barrel, bolt probe and o-ring. Even easier/faster if you get another breech.
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USA, Lehigh Acres, SWFL
Benjamin Discovery .22 BNM & Boyds Custom
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rsterne
Member 2000+fps Club
Bob and Lloyd
GTA Senior Contributor
Posts: 26958
GTA Forums Person of the Year 2017
Real Name: Bob
Re: Benjamin discovery barrel question
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Reply #2 on:
March 22, 2012, 03:26:08 PM »
Not as easy as on a 22XX because you have to strip the back end of the gun down each time you remove the breech.... In order to smooth out the bottom of the loading port, Crosman moved that tiny 4-48 screw back under the bolt.... It's a PITA to get at compared to on a 22XX.... You have to remove the action from the stock, remove the back trigger bolt, and slide out the rear plug and allow the hammer to move back to get the bolt far enough back to get at the screw.... Oh!, and remove the bolt handle as well....
Bob
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Coalmont, BC, Canada
🇺🇦
Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since! 🇺🇦
Airsenal:
1750 CO2 Carbine, .177 Uber-Pumper, .22 Uber-Carbine, .25 Discovery, 2260 PCP 8-shot Carbine, 2260 HPA (37 FPE), 2560 HPA (52 FPE), XS-60c HPA in .30 cal (90 FPE), .22 cal QB79 HPA, Disco Doubles in .22, .25 & .30 cal, "Hayabusa" Custom PCP Project (Mk.I is .22 & .25 cal regulated; Mk.II is .224, .257, 7mm, .308 & .357; Mk.III is .410 shotgun and .458 cal), .257 "Monocoque" Benchrest PCP, .172/6mm Regulated PCP and .224/.257 Unregulated, Three regulated BRods in .25 cal (70 FPE), .30 cal (100 FPE) & .35 cal (145 FPE), .257 Condor (180 FPE).
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