Impact barrel sleeve oring

DrOcean

Member
Aug 26, 2018
118
0
TX
Can’t find a video on how to check on the oring inside the barrel sleeve or how to disassemble the sleeve to check it out. Found a few videos saying not to fire it with the barrel liner out or else u can shoot it out, but none on how to get to it. Someone may or may not have fired it in such a configuration...we’re all learning here 😁
 
On my Crown, I actually fired it out on purpose last light, so I could reuse it after I removed the 500mm sleeve for a longer one.

Reason I fired it out was because in order to remove the sleeve, it has to be heated with a torch pretty dang hot, which most likely would have ruined the oring had it been left in place.

1549452592_15359742835c5ac5309aa216.45191826_IMG_20190205_212030315.jpg

 
.22 liner internals and assembly video
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Correction on the liner OD orings they are 4.42X2.62mm I recommend 3 oring or more. 

Note: .25 .30 cal there is no internal oring on the jam sleeve— wall thickness doesn’t support oring groove.



https://youtu.be/OxP2VSjgrD8










Talk about service! Thank you very much. So if I understand you correctly, on the 30 there is no oring that I might have blown out? U specifically say not in the jam sleeve. But there’s also a jam nut at the end. So either you are using the terms interchangeably or the sleeve is attached to the xfer port, in which case I have nothing to worry about.
 
On my Crown, I actually fired it out on purpose last light, so I could reuse it after I removed the 500mm sleeve for a longer one.

Reason I fired it out was because in order to remove the sleeve, it has to be heated with a torch pretty dang hot, which most likely would have ruined the oring had it been left in place.

1549452592_15359742835c5ac5309aa216.45191826_IMG_20190205_212030315.jpg

I went into the shop where I shot it. Miraculously I found 2 o-rings. One is exactly the same as the ones for the outside of the sleeve. One is larger n thinner. In fact, it’s ID fits the OD of the outer liner rings. So I guess that is it. Gotta get it back in there now.

So where exactly does it sit? I felt around inside the sleeve with a pick through the breach. I can feel a groove in two places. One groove maybe slightly over an inch in and one maybe 3” in. Is there any way to replace it without taking down the sleeve? 
 
Ocean,

I think it will be extremely difficult to fit the oring (the one that can be shot out) into the barrel housing - or adapter as Ernest called it - without removing the sleeve.

The oring groove is just inside - 1/8" maybe - the muzzle end of the adapter. When I put it back in with the sleeve off, I couldn't see any possible way to put it back in with the sleeve in place.

1549479101_16163019035c5b2cbd0a2982.67384902_IMG_20190205_212030315_1549478844686.jpg

 
I had a some thoughts today - If the liner orings are a PITA to keep in place, why not just use an adhesive wrap on either side of each one of them? I could imagine that orings could be substituted with some other wrapped materials as well, not that I have had a chance to try it (my slug liner is here, barrel kit is 2 days late arriving tomorrow).
 
I use a few wraps of half-wide duct tape on the muzzle side of each oring. This way they can't go past that when the liner is inserted. 

I don't put it on both sides because it doesn't matter to me if they shift position while removing.

Thanks Bob! I can see it being a little tricky getting the orings to stay in place without something like that. 

Also, it's interesting that the AEAC dude stated that he and some others don't bother with the orings, and Ernest says they're important. I'd personally lean towards trusting both Ernest and the FX engineers.
 
I use a few wraps of half-wide duct tape on the muzzle side of each oring. This way they can't go past that when the liner is inserted. 

I don't put it on both sides because it doesn't matter to me if they shift position while removing.

Thanks Bob! I can see it being a little tricky getting the orings to stay in place without something like that. 

Also, it's interesting that the AEAC dude stated that he and some others don't bother with the orings, and Ernest says they're important. I'd personally lean towards trusting both Ernest and the FX engineers.

Newish guns. Taking a little while to tease all the info out of folks that we need. Now that Ernest hath spoken, I bet folks will be digging them out of the trash and cabinets to put em back in. I know I did. Tape on each side too.



Went n grabbed some blue loktite. Bout to put the ol Impact back together. Another tip...instead of using a vise and wrenches over leather or whatever to take apart the TP n sleeve...cut about 10” of bicycle inner tube n wrap it around the sleeve several times. It’s fat enough to grip with your hands, and the harder u twist, the better it bites. I scarred my brass, stainless thingy in front of the brass, and my sleeve a bit trying different methods of gripping it. Bicycle tube. It’s the bees’ knees.
 
I use a few wraps of half-wide duct tape on the muzzle side of each oring. This way they can't go past that when the liner is inserted. 

I don't put it on both sides because it doesn't matter to me if they shift position while removing.

Thanks Bob! I can see it being a little tricky getting the orings to stay in place without something like that. 

Also, it's interesting that the AEAC dude stated that he and some others don't bother with the orings, and Ernest says they're important. I'd personally lean towards trusting both Ernest and the FX engineers.

Newish guns. Taking a little while to tease all the info out of folks that we need. Now that Ernest hath spoken, I bet folks will be digging them out of the trash and cabinets to put em back in. I know I did. Tape on each side too.



Went n grabbed some blue loktite. Bout to put the ol Impact back together. Another tip...instead of using a vise and wrenches over leather or whatever to take apart the TP n sleeve...cut about 10” of bicycle inner tube n wrap it around the sleeve several times. It’s fat enough to grip with your hands, and the harder u twist, the better it bites. I scarred my brass, stainless thingy in front of the brass, and my sleeve a bit trying different methods of gripping it. Bicycle tube. It’s the bees’ knees.

Yikes! Funny, when I watched Ernest's video and he mentioned a vice, I puckered a little. My first instinct was to use one of my small rubber oil filter wrenches instead. I have already used them to get my shroud off, since the sleeve tends to unscrew.
 
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Here's a better pic of where that oring sits.

1549497145_15706300105c5b733921a978.64146666_IMG_20190206_185007599.jpg

Huh. Mine seemed to supposed to be significantly further inside. Like about in the middle of the stainless adapter. It fit in there perfectly but took 3 men and a small boy holding picks at different angles to get it to seat. That was the only groove I saw in that stainless piece. Hopefully I put it in the right spot.