Glock 17/19 Blowhole Compensator 9mm 1/2x28 Black Nitride

Zaffiri Precision

MSRP: $105.99
Was: $102.99
On Sale $99.99
(You save $6.00 )
(1 review) Write a Review
UPC:
810220066157

Glock 17/19 – Blowhole Compensator – 9mm 1/2x28 Black Nitride


PLEASE DOUBLE CHECK DETAILS AND FITMENT BEFORE PURCHASE.

The Zaffiri Precision Blowhole compensator is built for compatible Glock 9mm threaded barrel setups using the common 1/2x28 thread pattern.

It is machined from 17-4 stainless steel and finished in black nitride. A compensator can help redirect gas and reduce muzzle rise, but tuning still matters. Springs, ammo, slide mass, and grip all get a vote.


Fitment

  • Fits Glock 17/19 threaded barrel setups.
  • Fits SCT Manufacturing Frames - May need to slightly sand guide rod hole on frame to slide efficiently 
  • Thread pattern: 1/2x28.
  • Designed for compatible Glock 9mm platforms using a threaded barrel.
  • May require recoil spring tuning depending on ammunition and full setup.

Does NOT Fit

  • Does not fit non-threaded barrels.
  • Does not fit non-1/2x28 thread patterns without the proper adapter.
  • Do not assume Glock 43, 43X, or 48 fitment for this SKU.
  • Does not include a barrel, slide, or recoil spring assembly.

Specs

  • Brand: Zaffiri Precision
  • Model: Blowhole
  • Type: Compensator
  • Caliber: 9mm
  • Thread Pattern: 1/2x28
  • Material: 17-4 stainless steel
  • Finish: Black nitride
  • Includes: thread locker, set screws, and tool

Verify Before You Buy

  • Confirm your barrel is threaded 1/2x28.
  • Confirm your slide, guide rod, and frame setup have proper clearance.
  • Live-fire test for reliability after installation. Comped guns can be picky little divas.

Disclaimers

⚠ Glock Disclaimer

IronKells Armory LLC is not affiliated with, endorsed by, or sponsored by Glock, Inc. or Glock Ges.m.b.H.

All references to GLOCK® are used solely to identify firearm models, parts compatibility, and fitment information for customers. Glock is a federally registered trademark of Glock, Inc. and Glock Ges.m.b.H.

Any product sold on this site referencing Glock is aftermarket, not OEM, and is not manufactured by Glock. Glock does not warranty, authorize, or guarantee the performance, safety, or reliability of any third-party components or modifications.

Firearm parts should be installed by a qualified armorer or gunsmith. Improper installation, modification, or use of aftermarket components may affect firearm safety, reliability, and void manufacturer warranties. By purchasing and installing third-party parts, the buyer assumes all responsibility for safe handling, installation, function testing, and use of their firearm and accessories.

⚠ Install & Compatibility Disclaimer

Installation should be performed by a qualified armorer or gunsmith. Improper installation, modification, or use may affect firearm safety and reliability. Buyer is responsible for verifying compatibility, performing proper function testing, and ensuring safe operation.

1 Review Hide Reviews Show Reviews

  • 5
    Great Product

    Posted by Lara on Jul 13th 2026

    I bought this along with a Kriss 40 round mag extension for G17 Gen 3 with an FRT. It did a great job reducing felt muzzle rise. Highly recommend.

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