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Strike Industries G4 Slide Compensator for Glock Gen4 Pistols SI-G4-SCOMP-S

Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator for Glock Gen4 Pistols, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator for Glock Gen4 Pistols, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
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Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
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Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
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Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
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Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
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Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
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Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
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Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
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Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
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Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
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Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator for Glock Gen4 Pistols, Black, SI-G4-SCOMP-S
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Strike Industries G4 Slide Compensator for Glock Gen4 Pistols, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator for Glock Gen4 Pistols, Black, SI-G4-SCOMP-S
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Strike Industries G4 Slide Compensator for Glock Gen4 Pistols, Black, SI-G4-SCOMP-S
Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S
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Strike Industries G4 Slide Compensator, Black, SI-G4-SCOMP-S

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Questions & Answers
Does this fit gen 3?

This does not fit the Gen 3 as I have tried. This product does not specify which caliber of the Gen 4 and so based on my experience it only fits the 9mm caliber (G17 & G19). I tried to install it on my G22 Gen 4 and it did not fit correctly.

by RTU, Verified Owner, October 9, 2017
See 1 More Answer
does the recoil spring come with the package? Expert Answer

The components included are:
1x G4 SlideComp,
4x M5 Installation set screws (side),
2x M4 installation set screws (bottom),
1x 2mm Allen wrench,
1x Glock 17 Gen 3 full size guide rod assembly.

by Carly R., Gear Expert, September 13, 2017
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Excellent compensator by Kornfedkilla, Verified Owner, March 18, 2018
This compensator is easy to install and truly does help with muzzle rise. The other thing I bought to help that I would suggest is a Gen 3 Tungsten guide rod. The added weight along with the compensator help trendously.
1/1 found this helpful
Helpful Positive Review
Strike industries compensator by Debra, March 28, 2018
Works great looks good.took recoil of a 40 and made it more like a 9 looks cool too.color doesn't match up but it is it too bad.very ea system to install. Would recommend that you use blue locktight on all screws
1/1 found this helpful
Helpful Positive Review
Must have for serious Glock enthusiast by Anonymous Customer, Verified Owner, April 11, 2018
Optics Planet shipped promptly with up-to-date tracking information. This compensator is a unique and innovative design. Workmanship is excellent quality and mounts securely to the slide. I haven't had it out to the range for a test run yet. All ...
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1/1 found this helpful
Helpful Negative Review
Slide Anchor by Stephendh2000, Verified Owner, November 16, 2017
The G4 Slide Compensator looks tough attached to an Gen 4 Glock 17 or Glock 19. The only recoil compensation taking place is a result of the added weight screwed down to the front of the pistol. The comp alters the point of impact considerably resu...
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2/4 found this helpful
Most Recent Reviews
Significant Point of Impact Shift, Ruins finish around the barrel, negligible change in recoil by Philip Poon, December 7, 2017
The G4 Slide Compensator affects my point of impact high and to the left. At 10 yards, the shift was 1.75 inches, and at 15 yards, it was at 3-4 inches high left. at 25 yards, I am barely hitting center pass on a human sized target. I would not use t...
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3/6 found this helpful
Most Recent Reviews
Nice comp for the Glock by Geoshark, January 22, 2018
Really good deal on these . I bought one and love it . I’d recommend it to anyone . Optics planet has great deals. Strike industries is some of the best items out there.... try one . It’s easy to install and well worth the price
0/1 found this helpful
Read All 6 Reviews

Product Discontinued by Manufacturer

Strike Industries G4 Slide Compensator for Glock Gen4 Pistols has been discontinued by Strike Industries and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, Muzzle Devices, Pistol Parts, Muzzle Brakes & Compensators yourself to try and find the perfect replacement for you!

Product Info for Strike Industries G4 Slide Compensator for Glock Gen4 Pistols

Strike Industries G4 Slide Compensator for Glock Gen4 Pistols is the industry's first slide mounted compensator of its kind. These Muzzle Brakes & Compensators by Strike Industries require no permanent modification to your firearm while eliminating the need for a threaded barrel. When you equip your Glock with the SI G4 SlideComp, you'll notice a reduced muzzle rise along with less perceived recoil. The Strike Industries Glock Gen4 Pistol Compensator is a fantastic addition to your firearm, especially if you're looking to push-rack the slide against hard surfaces to clear malfunctions or lock the slide back for a reload.image

Features of Strike Industries G4 Slide Compensator for Glock Gen4 Pistols:

  • Eliminates the need for threaded barrels
  • Blended, no snag profile
  • Precision CNC machined
  • No permanent modification of weapon required
  • Compatible with fourth generation G17 and G19 only
  • Compatible with open-bottomed holsters
  • Can be used in conjunction with threaded barrels

Package Contents:

  • Strike Industries G4 Slide Compensator for Glock Gen4 Pistols

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Strike Industries G4 Slide Compensator for Glock Gen4 Pistols Unavailable & Discontinued Models

List of Unorderable Models

  • Strike Industries G4 Slide Compensator for Glock Gen4 Pistols, Black, SI-G4-SCOMP-S , MPN: SI-G4-SCOMP-S , UPC: 708747545982 , Code: 3Q-BCM-SI-G4-SCOMP-S
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Last updated 2026-09-01 UTC.