Scale: 1/144    

Set includes 4 mounts (turrets) with barrels.
 
two "double knuckle" mounts with blast hood (Mounts 51 and 54)
one "single knuckle" mount, no blast hood (Mount 52)
one "single knuckle" mount with blast hood (Mount 53)
 
Recommended for post-war Fletcher-class ships only carrying 4 turrets, such as:
Revell 1/144 scale "German Destroyer Class 119 (Z1/Z5)"

Among naval historians, the US Navy 5"/38 caliber cannon is considered the best intermediate-caliber, dual purpose naval gun of World War II.  These four models represent the 5"/38 cal. Mk.30 single-gun mounts fit to Fletcher-class destroyers as they appeared during the Cold War.
 
Of the four 5-inch/38 Mk.30 single-gun mounts normally fit to a post-war Fletcher-class destroyer, two of the mounts were "Double Knuckle" configuration, the other two mounts were "Single Knuckle" configuration.
 
The two "Double Knuckle" mounts were located on the main deck, one in the fore-most position and one in the aft-most position, known there as "Mount 51" and "Mount 54" respectively.  Double knuckle mounts  had a reinforced roof with two "bumps", called "knuckles", that resisted blast from weapons firing overhead.
 
The other two mounts were "Single Knuckle" mounts, positioned above deckhouses, one fore and one aft, and were known as "Mount 52" and "Mount 53" respectively. Single knuckle mounts did not have a reinforced roof.
 
Features:
overall dimensions and details scaled from official US Navy O.P. 1112 drawings dated March, 1945 and measurements taken from surviving Mod.41 and Mod.60 mounts aboard the museum ship USS Kidd DD-661
mounts can be made rotatable and the gun can be positioned at any realistic elevation
an accurately shaped asymmetrical gunhouse (turret)
accurate, offset gun opening
forward face stiffeners
detailed turret bottom supporting structure with accurately placed bolt-head detail
rear vent
detailed gun captain access hatch, fit to the right side of the roof as they were during World War Two
 
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