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2. British standard ordnance weights and measurements - Wikipedia

   en.wikipedia.org/wiki/British_standard_ordnance...

   This system has largely been replaced by defining the weapon in terms of the measurement of the calibre, which is the standard today for most weapon systems in use by the world's armed forces. The 18th century standards were based on a projectile's weight, which dates back to use of muzzle loaded cannons that fired solid cannonballs. The bore ...

3. Caliber (artillery) - Wikipedia

   en.wikipedia.org/wiki/Caliber_(artillery)

   In artillery, caliber or calibre [nb 1] is the internal diameter of a gun barrel, or, ... Projectile bourrelet diameter specification was 0.015 inches (0.38 mm) less ...

4. 155 mm caliber - Wikipedia

   en.wikipedia.org/wiki/155_mm_caliber

   A projectile that can be equipped either with a tapering boat-tail or a base bleed unit; it comes in high-explosive, smoke generating and illuminating versions. Maximum range from a 39-calibre howitzer is 24 km (15 mi) boat-tail or 30 km (19 mi) base bleed; from a 52-calibre barrel is 30 km (19 mi) boat-tail or 39 km (24 mi) base bleed. [20]

5. .303/22 - Wikipedia

   en.wikipedia.org/wiki/.303/22

   The .303/22, sometimes known as the .22/303, is a wildcat centrefire rifle cartridge based on the .303 British, necked down to fire a .224 projectile, originating in Australia in the 1930s as a cartridge for sporterised rifles, particularly on the Lee–Enfield action. Similar versions also appeared in Canada around the same time. [3]

6. 9 Best Free Movie Watching Websites and Streaming Services - AOL

   www.aol.com/9-best-free-movie-watching-184537067...

   The best free movie services offer a wide variety of films and plenty of ways to watch them. Check out these top picks for alternatives to paid streaming services. 9 Best Free Movie Watching ...

7. Sub-caliber ammunition - Wikipedia

   en.wikipedia.org/wiki/Sub-caliber_ammunition

   Sub-caliber armour-piercing discarding sabot projectile. Here seen with and without its sabot as well as its internal tungsten core. The most traditional way to fire sub-caliber ammunition is to fit the projectile with an expendable sabot. The sabot is a device which fills out the missing caliber when the projectile is fired and then leaves the ...

8. Calibre (film) - Wikipedia

   en.wikipedia.org/wiki/Calibre_(film)

   Calibre is a 2018 British psychological thriller film written and directed by Matt Palmer. After a debut at the Edinburgh International Film Festival, it was released on 29 June 2018 on Netflix. [1] It also had a limited release in select Curzon Cinemas in the UK from 21 October to 16 November 2018. [2]

9. BL 12-inch Mk X naval gun - Wikipedia

   en.wikipedia.org/wiki/BL_12-inch_Mk_X_naval_gun

   The Mk X continued the trend of lengthening gun barrels as far as new construction methods would permit, in order to allow more cordite propellant to be used to attain higher projectile velocities. The Mk X increased the bore length from the Mk IX 's 480 to 540 in (12 to 14 metres), increasing muzzle velocity from 2,600 to 2,700 ft/s (790 to ...