GSL TechnologyGT-556
5.56mm / .223 suppressor · Bi-Lock interface · specs and compatibility from the manufacturer
Notable features
- Full-Auto Rated
length
7″
weight
13.5oz
MSRP
$1,129
length
7″
weight
13.5oz
calibers
5.56
material
Titanium · Inconel
interface
Bi-Lock
MSRP
$1,129
- Overall length
- 7″
- Class
- 5.56mm / .223
- n
- 328
- Range
- 2.5″–9.75″
- Median
- 6.12″
- Diameter
- 1.5″
- Weight
- 13.5 oz
- Material
- Titanium/Inconel
- Finish / treatment
- High-Temp Cerakote
- Max caliber
- 5.56mm NATO
- Base interface
- Bi-Lock
- Full-auto rated
- Yes
- MSRP
- $1,129
- Class
- 5.56mm / .223
- n
- 292
- Range
- $199–$1,955
- Median
- $899
Longer than most 5.56mm / .223 suppressors
Length compared against the 328 5.56mm / .223 suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Pricier than most 5.56mm / .223 suppressors
MSRP compared against the 292 5.56mm / .223 suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Prices are manufacturer's suggested retail (MSRP). What you pay may differ.
- Base interface
- Bi-Lock
The Bi-Lock is an open standard: 4 mounts and 19 muzzle devices in our catalog fit this suppressor, including GSL Technology Multi Cal Direct Thread Adapter, Silent Legion Multi-Caliber Direct Thread Insert (1/2x28) and GSL Technology Tomcat 1/2x28 Direct Thread Adapter. You aren't locked into one manufacturer's parts.
Which ones fit your barrel and host?
Check in the BuilderManufacturer claim
- GSL publishes a sound reduction of 32 dB for the GT-556.
- Materials: Titanium/Inconel. Finish: High Temperature Cerakote.
- The GT-556 is full-auto rated per GSL.
- Packing includes: (1) 5.56mm Suppressor; (1) 1/2×28 - 2B Bi-Lock Mount Flash Hider for 5.56mm NATO (others available upon request).
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- Barrel restrictions: 10.5″ minimum length 5.56×45/.223.