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Gemtech G5 Quickmount 5.56mm Up to 26% Off w/ Free Shipping — 2 models

Gemtech G5 Quickmount 5.56mm - QM-G5-FH 5.56 Flash hider, threaded 0.5-28
Gemtech G5 Quickmount 5.56mm - QM-G5-BR 5.56 Muzzle Brake, threaded 0.5-28
Gemtech G5 Quickmount 5.56mm - QM-G5-FH 5.56 Flash hider, threaded 0.5-28
Gemtech G5 Quickmount 5.56mm - QM-G5-BR 5.56 Muzzle Brake, threaded 0.5-28
Gemtech G5 Quickmount 5.56mm - QM-G5-FH 5.56 Flash hider, threaded 0.5-28
1 of 4 images
Gemtech G5 Quickmount 5.56mm - QM-G5-FH 5.56 Flash hider, threaded 0.5-28
Gemtech G5 Quickmount 5.56mm - QM-G5-BR 5.56 Muzzle Brake, threaded 0.5-28
2 of 4 images
Gemtech G5 Quickmount 5.56mm - QM-G5-BR 5.56 Muzzle Brake, threaded 0.5-28
Gemtech G5 Quickmount 5.56mm - QM-G5-FH 5.56 Flash hider, threaded 0.5-28
3 of 4 images
Gemtech G5 Quickmount 5.56mm - QM-G5-FH 5.56 Flash hider, threaded 0.5-28
Gemtech G5 Quickmount 5.56mm - QM-G5-BR 5.56 Muzzle Brake, threaded 0.5-28
4 of 4 images
Gemtech G5 Quickmount 5.56mm - QM-G5-BR 5.56 Muzzle Brake, threaded 0.5-28

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Questions & Answers
is this pre-drilled for pin/weld to a 14.5" barrel? Expert Answer

Yes, these are.

by Jonathan D., Gear Expert, March 13, 2020
Will this fit my HVT .308 suppressor?

Yes. My HVT 7.62 suppressor fits both the 7.62 and 5.56 Gemtech muzzle breaks.

by Steve, Verified Owner, October 8, 2019
View All Q&A You Have a Question? Ask!
Customer Reviews
Most Recent Reviews
Good option if you run a GMT Halo and/or QD Gemtech by Dee, Verified Owner, March 7, 2022
I opted for this flash hider because I own a GMT Halo that interfaces with the bayonet groove/BFA groove. I do like the option to getting a future quick attachment Gemtech though. It looks really good and technically does not need to be timed. Howev...
Read More...
Read 1 Review
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Product Info for Gemtech G5 Quickmount 5.56mm

Quickmount 5.56mm, Aug M13x1mm Rhimage

Specifications for Gemtech G5 Quickmount 5.56mm:

Caliber: 5.56mm
Option: AUG M13x1mm RH, Muzzle Brake, threaded 1/2-28, Flash hider, threaded 1/2-28, FNC 9/16-24 LH, HK M15x1mm RH, Mk18 1/2-28 (for 10.3 barrels), FN P90 M12x1mm LH, RUGER 9/16-24 RH

Package Contents:

  • Gemtech G5 Quickmount 5.56mm

Gemtech G5 Quickmount 5.56mm Orderable Models

List of Orderable Models

  • Gemtech 5.56mm Flash Hider 1/2-28 - 12145 , MPN: 12145 , UPC: 609224348037 , Code: GCH-BFH-GT-QM-G5-QM-G5-FH
  • Gemtech 5.56mm Muzzle Brake 1/2-28 - 12152 , MPN: QM-G5-BR , UPC: 609728889012 , Code: GCH-BFH-GT-QM-G5-QM-G5-BR

Gemtech G5 Quickmount 5.56mm Unavailable & Discontinued Models

List of Unorderable Models

  • Gemtech G5 Quickmount 5.56mm - QM-G5-FN 5.56 FNC 9/16-24 LH , MPN: QM-G5-FN , UPC: 609728889074 , Code: GCH-BFH-GT-QM-G5-QM-G5-FN
  • Gemtech G5 Quickmount 5.56mm - QM-G5-P90 5.56 FN P90 M12x1mm LH , MPN: QM-G5-P90 , UPC: 609728889067 , Code: GCH-BFH-GT-QM-G5-QM-G5-P90
  • Gemtech G5 Quickmount 5.56mm - QM-G5-RUG 5.56 RUGER 9/16-24 RH , MPN: QM-G5-RUG , UPC: 609728889043 , Code: GCH-BFH-GT-QM-G5-QM-G5-RUG
  • Gemtech G5 Quickmount 5.56mm - QM-G5-AUG 5.56 Steyr AUG M13x1mm RH , MPN: QM-G5-AUG , UPC: 609728889029 , Code: GCH-BFH-GT-QM-G5-QM-G5-AUG
  • Gemtech G5 Quickmount 5.56mm - QM-G5-HK 5.56 HK M15x1mm RH , MPN: QM-G5-HK , UPC: 609728889036 , Code: GCH-BFH-GT-QM-G5-QM-G5-HK
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Last updated 2026-07-08 UTC.