9mm or 45 ACP, no 10mm upgrade at this time; Gold bead front sight; Solid black Heinie ledge rear sight; Match Grade 9mm/.45ACP Barrel; One-piece mainspring housing/magwell; Solid curved trigger; Black Version has Agent 1 Grips, Stainless Version has G10
Nighthawk Custom on X: Fire Hawk .45 ACP in stainless with the Interchangeable Optic System. This thing is a blast and shoots like a 9mm! / X
SHOT Show 2019: Nighthawk Custom Firehawk Compensated 1911 Pistol
NEW NIGHTHAWK CUSTOM FIREHAWK WITH INTEGRATED COMPENSATOR BULL BARREL 45acp - SK Guns
SOLD - Nighthawk Firehawk
Double Stack 1911 Upgrade
FIRST Look: The Nighthawk Custom Firehawk Has a Hidden Compensator
Fire Hawk Pistol Nighthawk Custom
Nighthawk Custom Firehawk .45 ACP – On Target Magazine
Nighthawk Custom Fire Hawk 45 ACP 1911 Pistol - Gunblast.com
Review: Nighthawk Custom Fire Hawk