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Barrel O-Ring All HK .45 Caliber Pistols - Green

SKU: HKP-01984

HK German .45 Cal Barrel O-ring For ALL 45 Caliber Barrels

A rare find as we have found a small lot of the original HK German green colored HK .45 O-rings. Get them while you can as they are no longer available in green. The green o-rings were first used when HK introduced the use of o-rings on the Mark 23 & USP 45 Tactical HK pistols. All HK o-rings are still made of the same material as the newer black o rings only in the original green color.

A great spare and a much-needed part for your HK barrel. This factory part is a high wear item as the O-ring provides the seal between the slide and the barrel, which provides a secure lockup & increased accuracy. The O-ring is the same for all 45 barrels and will fit all of the following HK pistols:

  • HK USP .45
  • HK USP Compact .45
  • HK45
  • HK45 Compact
  • HK45CT, HK45 Tactical
  • HK Mark 23, SOCOM
  • HK Elite, Expert & Other Custom aftermarket barrels with O-ring grooves
We have the best price in the country on this hard to find and no longer offered item. Shop & compare. One-time special buy so stock up!
As an additional discount order 10+& get an additional 20% off the single unit price.
Condition: New
Origin: German
Sub-Type: O Ring
MPN: 986429
Price: $4.95
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Barrel O-Ring All HK .45 Caliber Pistols - Green
Barrel O-Ring All HK .45 Caliber Pistols - Green
Barrel O-Ring All HK .45 Caliber Pistols - Green
Barrel O-Ring All HK .45 Caliber Pistols - Green
Barrel O-Ring All HK .45 Caliber Pistols - Green
Barrel O-Ring All HK .45 Caliber Pistols - Green
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Quantity Save Reduced Price
1st unit $4.95
10 or more units. $1.00 $3.95
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Barrel - HK45C German

Barrel - HK45C German

Price $249.95

Out of Stock

Product Reviews

Write your own review

"Great deals"

Chase Sammarco on 8/27/2011 10:18:43 AMVerified

Overall Product Rating:

Parts came fast, never thought I'd see these in green again. Will definitely continue to purchase from the site

"O Ring"

Todd Vaughn on 5/25/2012 10:01:29 PMVerified

Overall Product Rating:

If you are shooting a Mark23 or a USP45T, you'll eventually need a few spares... After all, what good is a worn out rubber? (O-Ring that is ;-) Thanks HK Parts!!! Rainman

"nice to have backups"

David on 12/15/2012 10:28:46 AMVerified

Overall Product Rating:

Same as original and good to have on hand.


C W S on 9/15/2011 9:07:53 AMVerified

Overall Product Rating:

Works well, as advertised. Best to buy a qty for spares.

"HKParts/ o ring"

chad myers on 3/2/2013 4:13:57 PMVerified

Overall Product Rating:

Ring works great, want to say it seems more solid than standard black. HKParts, rocks, ultra fast, accurate, well packaged,great communications. Thanks will do business again.

"Great price on a hard to find part"

Chuck Nelson on 4/15/2011 3:16:40 PM

Overall Product Rating:

Have been looking for these everywhere! The green O-rings are pretty hard to find these days and it is nice to find a source for them. Fast shipping and the best price I could find on them in both green and black.

"Green barrel O-rings for .45 ACP USP Specialized models"

Jordan McFarlin on 10/13/2013 9:52:37 PMVerified

Overall Product Rating:

The pictures on the shop website kind of make them look like they would look obnoxiously green on the barrel, but now that I went ahead and bought some they are actually darker than previously thought, and they are actually very good quality materials so as to throw as tight of a lock up as possible. Thinking I'm liking them (based on performance, sure green is cool) more so than the stock blacks. Worth a try. Unless green is your least favorite color.....hah

"O rings"

Tomasso Campisi on 9/27/2013 5:40:55 AMVerified

Overall Product Rating:

Perfect replacement when called for. Always good to have a few spares!

"no problem"

Darren Hitch on 6/6/2011 11:01:39 AMVerified

Overall Product Rating:

Work fine on a threaded barrel purchased for my non tactical USP 45. I got the green just to have a different color. low cost item so I got extra.

"How did I go so long without them?"

Reid Smith on 10/10/2011 3:43:51 PMVerified

Overall Product Rating:

I hadn't thought of changing my O-rings on my two Tacticals until I ran across these. What a difference! Mine were beyond shot (about 12 years on my older one) and the new ones tightened the barrels up like new. I ordered spares and promise not to wait so long!