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| part_length = 1300 mm <!-- Artillery specifications -->

|caption=Aft 283 mm dual turret on [[Coastal defence ship]] Gustav V |caliber={{convert|283|mm|in}}

'''AK-230''' is a Soviet fully automatic naval twin 30 mm [[gun]]. Its primary function is anti-aircraft. It is mounted in an enclose ...ach weigh 155 kg and have barrels 1930 mm long, and a total length of 2670 mm. The barrels are rifled with 12 grooves. The guns each have a rate of fire

|caliber=155 mm <!-- Artillery specifications -->

|part_length={{convert|244.75|in|m|sigfig=4}} bore (55 [[Caliber (artillery)|calibres]]) |caliber=4.45-inch (113 mm)<ref name=Janes1999/><!-- Many sources quote 114mm as the calibre but it is

|caliber={{convert|5|in|mm|0}} <!-- Artillery specifications -->

|caliber=8 in (203 mm) ...e 8&nbsp;inches (20&nbsp;cm) in diameter, and the barrel was 55 [[Caliber_(artillery)|caliber]]s long (barrel length is 8" x 55 = 440" or 11 meters.)<ref name="

<!-- Artillery specifications --> Originally designed for mounting as a vertical gun, this 155&nbsp;mm (6.1") caliber gun has since been slated for mounting within a more convent

|name=ARCHER Artillery System |type=[[Self-propelled artillery]]

|length=1387 mm (GSh-23)<br/> 1537 mm (GSh-23L) |part_length=1000 mm

...uring World War II. It was a scaled-up and modified version of the 20&nbsp;mm [[Ho-5 cannon]], itself a scaled up Model 1921 aircraft Browning. *'''Caliber:''' 30&nbsp;mm (1.2&nbsp;in)

| armour=6-20 mm | primary_armament=40&nbsp;mm Bofors/60 AA-gun

|type=[[Naval gun]]<br>[[Field gun|Medium field gun]]<br>[[Coastal artillery|Coastal defence gun]] |caliber={{convert|120|mm|sigfig=3}}

|name= QF 6 inch 40 calibre naval gun<br>''Type 41 6-inch (152 mm)/40-caliber'' |caliber={{convert|6|in|mm|sigfig=4}}

...on-derived [[Type 2 cannon|Type 2]] or Browning-derived [[Ho-155 cannon|Ho-155]], although it was considerably heavier. The Type 5 was to have become the *'''Caliber:''' 30 mm (1.2 in)