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Posvar

Cleaning JP GMR15 Comp (or similar)

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I have some build up from running coated bullets. Have since switched to JHP but would like to clean my JP comp. Any suggestions? It’s a stainless 14.5” barrel in black matte finish with a pinned and welded comp. 

 

If there is another thread on this please let me know. I searched back several pages and didn’t see any but didn’t look further. 

Edited by Posvar

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https://www.shootersconnectionstore.com/Lucas-Oil-Extreme-Duty-Bore-Solvent-Ultrasonic-Gun-Cleaner-16oz-P4804.aspx

 

https://usa.palmettostatearmory.com/slip-2000-16oz-carbon-killer-60108.html?gclid=Cj0KCQiAg_HhBRDNARIsAGHLV53q4TTw7CfGPuhCa_lglGyvsC54z6ue-L7SB7dBWGNUo6l_oTAlYUcaAoq7EALw_wcB

 

I’ve used both products listed above, before I had an ultrasonic cleaner I would pour product into a bucket and then funnel it back into the jar when I was done.  let it soak for 30 min to an hour and scape off with a dental pick and wipe with q tips. Wash rinse repeat until satisfied with result. 

EA2224CD-C951-437A-B664-78DAD5A8132E.jpeg

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Thanks! Is your barrel/comp pinned and welded? Just making sure the solvent won’t hurt any of that.

 

I have the Lucas solvent already 

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Excellent. I do have access to a good ultrasonic cleaner at work and I’ll just do that method that you have shown in your picture. Thanks again!

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10 hours ago, Bwillis said:

https://www.shootersconnectionstore.com/Lucas-Oil-Extreme-Duty-Bore-Solvent-Ultrasonic-Gun-Cleaner-16oz-P4804.aspx

 

https://usa.palmettostatearmory.com/slip-2000-16oz-carbon-killer-60108.html?gclid=Cj0KCQiAg_HhBRDNARIsAGHLV53q4TTw7CfGPuhCa_lglGyvsC54z6ue-L7SB7dBWGNUo6l_oTAlYUcaAoq7EALw_wcB

 

I’ve used both products listed above, before I had an ultrasonic cleaner I would pour product into a bucket and then funnel it back into the jar when I was done.  let it soak for 30 min to an hour and scape off with a dental pick and wipe with q tips. Wash rinse repeat until satisfied with result. 

EA2224CD-C951-437A-B664-78DAD5A8132E.jpeg

 

Do you still use those two solvents with your ultrasonic cleaner? 

 

I see a lot of people using diluted Simple Green...  Seems a lot cheaper...  Maybe it doesn't work as well?

 

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As I do with my Open Gun before each stage I spray a little bit of Dillon Case Lube in the compensator.  This helps some in the cleaning of the comp.

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25 minutes ago, RaylanGivens said:

 

Do you still use those two solvents with your ultrasonic cleaner? 

 

I see a lot of people using diluted Simple Green...  Seems a lot cheaper...  Maybe it doesn't work as well?

 

 

I used carbon killer before my ultrasonic 

I use Lucas in my ultrasonic

I will look into the simple green if it has good reviews, I might try the simple green and distilled water next time I drain it. 

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I coat my comp ports with a product called "Never Seeze"

Get it in any hardware store. I have used it in many different comps.

Carbon, stainless and aluminum. 22 pistol, .223 and 9 rifle. I have never built up enough carbon

to clean any of them. It is also an excellent trigger lube!

Try it, you will like it.

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4 hours ago, RaylanGivens said:

 

Do you still use those two solvents with your ultrasonic cleaner

 

I see a lot of people using diluted Simple Green...  Seems a lot cheaper...  Maybe it doesn't work as well?

 

 

Simple Green is corrosive.

 

Simple Green HD is not

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15 hours ago, Bwillis said:

https://www.shootersconnectionstore.com/Lucas-Oil-Extreme-Duty-Bore-Solvent-Ultrasonic-Gun-Cleaner-16oz-P4804.aspx

 

https://usa.palmettostatearmory.com/slip-2000-16oz-carbon-killer-60108.html?gclid=Cj0KCQiAg_HhBRDNARIsAGHLV53q4TTw7CfGPuhCa_lglGyvsC54z6ue-L7SB7dBWGNUo6l_oTAlYUcaAoq7EALw_wcB

 

I’ve used both products listed above, before I had an ultrasonic cleaner I would pour product into a bucket and then funnel it back into the jar when I was done.  let it soak for 30 min to an hour and scape off with a dental pick and wipe with q tips. Wash rinse repeat until satisfied with result. 

EA2224CD-C951-437A-B664-78DAD5A8132E.jpeg

Does that mat or roll keep the gun from vibrating against the side of the ultrasonic?

Edited by funkymonkey1111

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10 minutes ago, funkymonkey1111 said:

Does that mat or roll keep the gun from vibrating against the side of the ultrasonic?

 

It’s the lid folded up, this was taken the first time I tried it and the gun fell. I have since moved the comp more to the center of the basket.Now The only contact is the buttstock to the wall and the comp in the basket.  

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I've tried Lyman cleaner, simple green, Ballistol, and Mpro 7.  With all but the Ballistol in the ultrasonic.  None of them do a perfect job.  Cleaning comps is a pain and time consuming.

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I just went through the same ordeal. CLP, Bore-tech Bore Cleaner, Kroil, hydrogen peroxide/vinegar. Tried soaking overnight with the first three. Tried all four individually in a ultrasonic tank. No magical cure found.

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Its that donut of buildup right at the barrel crown that gets me.

 

I just leave  alone.  Dont want to scratch things up picking at it with tools.

 

PCC still hits steel plates at 100yds all day long.

 

 

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That "donut of buildup" will, at some point be dislodged, and could cause a partial obstruction and baffle strike.

Soaking in CLR for an hour turns this to mud and it runs off with a few blasts of brakecleaner.

Instead of a pick, I've used a WaterPic to clean up the crannies.

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