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Thread Protector HK, Glock, Sig 9mm - 13.5 X 1

SKU: HKP-00919

13.5 X 1 Tactical Thread Protector - HK

This German HK manufactured 9mm tactical threaded barrel protector fits all HK 9mm threaded barrels. 13.5 x 1 metric left hand twist. This is the finest thread protector available for this and other pistol applications.

Fits the following barrels threaded 13.5 X 1 Metric 9mm Barrels
  • VP9 Tactical
  • USP 9mm Tactical Barrel
  • HK 9mm Tactical barrels (USP, USPC, P2000, P30, VP9, etc)
  • Glock Factory 9mm Threaded Barrels
  • Sig Sauer 9mm Factory Threaded Barrels
  • Other 13.5X1 threaded barrels

  • Length .45"
  • Outside diameter .62"

Please be sure and check that you have METRIC threads on your barrel and not 1/2 X 28 threads before ordering.
Condition: New
Origin: German
Caliber: 9mm
Color: Black
Price: $24.95
In Stock
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Thread Protector HK, Glock, Sig 9mm - 13.5 X 1
Thread Protector HK, Glock, Sig 9mm - 13.5 X 1
Thread Protector HK, Glock, Sig 9mm - 13.5 X 1
Thread Protector HK, Glock, Sig 9mm - 13.5 X 1
Thread Protector HK, Glock, Sig 9mm - 13.5 X 1
Thread Protector HK, Glock, Sig 9mm - 13.5 X 1
Thread Protector HK, Glock, Sig 9mm - 13.5 X 1
Thread Protector HK, Glock, Sig 9mm - 13.5 X 1
Thread Protector HK, Glock, Sig 9mm - 13.5 X 1
Thread Protector HK, Glock, Sig 9mm - 13.5 X 1
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Product Reviews

Write your own review

"Best M13.5x1 LH threaded protector!!!"

Andrew Chauvin on 3/3/2012 10:03:56 AMVerified

Overall Product Rating:

These things are very slim & are knurled quite sharp. They look fantastic on my factory GLOCK barrels. I've purchased 4 for now, I may pick up more later. Very nice item!

"Fits well"

Glenn on 2/26/2013 8:57:16 AMVerified

Overall Product Rating:

Fits perfectly on my glock 19 factory threaded barrel. I may try some type of tape or something to keep it from backing off (about 1/4-1/6 a turn per 15-round mag), but it really isn't much of an inconvenience as it is.


stephen zhu on 9/26/2013 12:37:30 PMVerified

Overall Product Rating:

Thread protectors are definitely necessary on a suppressed gun and it looks cool too.

"Excellent Products and Exceptional Customer Service"

654Boomer on 9/23/2011 10:44:03 AM

Overall Product Rating:

Purchased this thread protector for the HK USPF 9mm x 19 threaded barrel and Glock 19 threaded 9mm x 19 threaded barrel. Excellent fit and finish on both of them. Excellent product selection and Customer Service from the staff, as usual. I have ordered HK products over several years from them and not once have I been disappointed!

"Thread cap"

Dustin Horner on 4/8/2019 8:05:34 PMVerified

Order Fulfillment:

Desired Compatibility:


Product Quality:

Overall Product Rating:

Fits perfect!

"Complete Professionals, Best Source for HK Parts"

Lee Hunkovic on 6/7/2011 10:34:57 AMVerified

Overall Product Rating: is not only the best source for scarce HK parts available, as they actually have them, but very easy to deal with as well. My order arrived within the week. If you're into HKs or if you even just want things such as Melonite finished metric thread protectors or flash hiders, you can't do without this resource.

"Glock 19 Factory Threaded Barrel Thread Protector"

John Might on 6/13/2013 7:37:11 AMVerified

Overall Product Rating:

Fits perfectly on the G19 Factory Threaded Barrels with M13.5x1LH threads. Shipping was same day, arrived 3 days later via USPS.

"Works on Glock barrel"

Jimmy TwoGuns on 11/27/2012 2:36:03 PMVerified

Overall Product Rating:

I ordered this thread protector to use on a Glock factory threaded G17 barrel and it works perfect. It was worth the price because it was in stock, and paying more for HK parts makes me feel really cool.

"Threaded Barrel for USP 9mm"

John Hendrix on 5/23/2013 4:00:05 PMVerified

Overall Product Rating:

As always, HK Parts Net was fast with delivery. I always prefer to buy FACTORY and they usually have the best inventory around for HK. Recently I purchased a used USP 9mm fullsize and have no idea of round count on original barrel. New well made factory polygonal barrel can take a suppressor and slightly longer to help velocities. HK PARTS has always taken care of me so they get FIVE STARS.

"Works great"

Jason Smith on 6/4/2011 9:21:24 AMVerified

Overall Product Rating:

This thread protector works perfectly on my factory threaded Glock 19 barrel.