From the Firearms Blog:

PRODUCT SPECIFICATIONS
Model: MARS-L9
Caliber: 9mm
Operation: Short Stroke Piston
Handguard: MLOK
Finish: Mil-Spec Anodized Aluminum, Mil-Spec Phosphated Steel
Stock: LMT PDW or 6 Position SOPMOD
Muzzle Device: A2 Birdcage 1/2 x 28 thread
Magazine: Glock
Barrel Length: 8″
Barrel Material/Twist: Chrome Moly / 1:10″
Rifle Length Collapsed: 22.33″ (562mm)
Rifle Length Extended: 25.6″ (650mm)
Weight: 5.5lbs
MSRP: ~$2,800
Release Date: Q3 2022