>>64169893
Mark 45 Gun Specifications & Performance
Variants & Deployment
Mk45 Mod0–2 (5″/54-caliber): Standard on DDGs 51–80. Considered lightweight and maintenance-friendly compared to the older Mark42
Mk45 Mod4 (5″/62-caliber): Features a longer barrel for higher projectile velocity, greater range, and improved naval surface fire support (NSFS). Installed on ships from DDG‑81 onward
Performance
Caliber / Barrel Length:
Mod2: 5″ (127mm), ~270in (54 calibers).
Mod4: Same caliber, ~310in (62 calibers)
Rate of Fire: Automatic loader fires 16–20 rounds per minute from a 20-round drum; sustained operation involves a full crew feed
Shell Weight & Types: Around 70lb (31–32kg). Includes varieties like HE-CVT, HE-PD, illumination, IR, Cargo, and more
Standard rounds: Approx. 13 nautical miles (24km) for both Mod2 and Mod4
Extended-range (Mod4 with improved munitions): Up to 20nm (~37km)
Future guided rounds (ERGM): Could boost range dramatically—potentially up to ~63nm (with new guided projectiles and charges)
Fire Control & Integration
Controlled via Mk86 Gun Fire Control System or Mk160 Gun Computer System, with the Mk34 Gun Weapon System serving as the integrated subsystem for Aegis-equipped ships
Magazine Capacity
Destroyers (DDGs): ~600 rounds.
Cruisers (CGs): ~1,200 rounds
So yeah she'll
fugg ya
Maddur
all over not even needing lasers, it's the US we don't care about cost.