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Old 03-31-2011, 04:56 PM   #11 (permalink)
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I saw that for sale thread and dismissed it as a bunch of bs since my new sl was shooting 290 on a crossfire hpa high pressure bottle straight out of the box.
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Old 03-31-2011, 06:43 PM   #12 (permalink)
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he said he cut a shim and basically shimed the spring inside the bolt.
well I don't think it's worth THAT MUCH for a shim. a shim will help but that's not a modded enough to justify his price tag.
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Old 03-05-2014, 12:15 PM   #13 (permalink)
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I had a friend who is a machinist bore a stock barrel for freak backs for me - works like a charm, just use a slightly worn bolt o-ring so it doesn't draw the freak back out into the breech. FPS does jump nicely when you match your paint.

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Old 03-05-2014, 12:44 PM   #14 (permalink)
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Really...

What does he charge for such a service?

Incidentally, is the J&J ceramic barrel a good investment for this little delight?
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Old 03-05-2014, 05:04 PM   #15 (permalink)
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He didn't charge me as he was a student at the time and used it as a project in his course. Not a difficult job to do though
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Old 03-05-2014, 05:53 PM   #16 (permalink)
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Maybe this is a goofy question, but the Gen 1 and Gen 2 SL-68 II use the same barrel, right? At least they are interchangeable?
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Old 03-05-2014, 10:40 PM   #17 (permalink)
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Yeah dude, same barrel. They are both a sleeve type fit. Also I was amazed when I got an email saying someone replied to this 3 year old thread
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Old 03-05-2014, 10:46 PM   #18 (permalink)
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I thought the SL-68 I's barrel has a slightly shorter shank than the II's.

They're still interchangeable, though.
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Old 03-05-2014, 10:47 PM   #19 (permalink)
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Oh you could be right about that The Inflicted. Ive never owned an original SL 68. I thought they just meant between the two different generations of the SL-68 II
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Old 03-06-2014, 01:35 AM   #20 (permalink)
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From my stock of 15+ sl681 682 and 682 second gens all shank lengths are the same. Same od as well ...... HOWEVER I had a problem with one newer gen2 and found the shank length was smaller. WHY? Bc the front was ground back further at the factory. So this leads me to believe somewhere a change was made or someone in the factory made an adjustment to fix some bad casting. I was able to use the jj barrel and other stock barrels but I had to leave it hang out ⅛ to 3/16 to get it to cock.

Is the jj barrel worth it..... Yes and no. If you can get one for 30-40 bucks yes it helps. But it's not something super. It's .689 vs the 691 or bigger factory barrels. It quiets the report a little too.
But after play solely with sl68's for a few years I converted to a used phantom. And that is where you money is better spent then a jj barrel. Now if jj made a barrel kit that BE GREAT however with the terrible tolerance in the cast body from a business stand point it's not worth it.plus it's a clamping barrel so you're likely to oblong the barrel at some point if you're a gorilla.
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