7.5 cm Pak 41 flange-projectiles. Left: Armor-piercing composite non-rigid (APCNR) Right: Armor-piercing (AP)
A squeeze bore, alternatively taper-bore, cone barrel or conical barrel, is a weapon where the internal barrel diameter progressively decreases towards the muzzle resulting in a reduced final internal diameter. These weapons are used in conjunction with special sub-caliber ammunition where the projectile is fitted with soft-metal flanges which fills out the caliber.[1] As the projectile travels through the squeeze bore the flanges fold inwards, resulting in a reduced caliber round with an increased velocity compared to a traditional full-caliber round.[1]
^ abRollof, Yngve. "Artillerimaterielens utvecklingstendenser under senaste decenniet". Tidskrift i Sjöväsendet. Number 7 1953 – via Kungliga Örlogsmannasällskapet. {{cite journal}}: |volume= has extra text (help)
Historical squeezebore example: A squeezebore, alternatively taper-bore, cone barrel or conical barrel, is a weapon where the internal barrel diameter...
life of the 2-pounder during the Second World War by converting it to squeezebore operation. "Littlejohn" came from the calque, i.e. literal anglicization...
At some point during World War II, the Frankford Arsenal developed a squeezebore version of the M2HB which reduced the bullet size from .50 to .30 caliber...
War II to produce shells for anti-tank gun designs using the Gerlich squeezebore principle to achieve very high muzzle velocity and enhanced armor penetration...
their 2-pounders fitted with the Littlejohn adaptor, which worked on the squeezebore principle. This increased the gun's theoretical armour penetration and...
History, Bulgaria, Sofia. 10 cm schwere Kanone 18 fitted with an 8,8 cm squeeze-bore adapter attached to the muzzle. Chamberlain, Peter (1975). Light and...
also the world's longest borehole in terms of measured depth along the well bore (that is, borehole length) until it was surpassed in 2008 by the 12,289-metre-long...
what Armstrong called its "grip", which was essentially a squeezebore; the 6 inches of the bore at the muzzle end was of slightly smaller diameter, which...
In an attempt to increase the armor penetration of the M3, several squeezebore adapters (including the British Littlejohn adaptor) were tested; none...
what Armstrong called its "grip", which was essentially a squeezebore; the 6 inches of the bore at the muzzle end was of slightly smaller diameter, which...
included "pre-grooved" projectiles which showed no significant improvement, squeeze-bore, discarding sabot and even a smoothbore version. None of these reached...
effects, lung overpressure injuries and injuries resulting from external squeezes. Decompression sickness is indirectly caused by ambient pressure reduction...
The double squeeze is a type of squeeze play in the card game of bridge. Double squeezes are a combination of two simple squeezes carried out against both...
Cannibal squeeze or suicide squeeze is a type of squeeze in bridge or whist, in which a defender is squeezed by a card played by his partner. Normally...
included cupolas for armored personnel carriers, quad-mount machine guns, squeezebore .50 to .30 in (12.7 to 7.6 mm) caliber guns, multiple shot grenade launchers...
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