Squeeze bore
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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 interna
7.5 cm Pak 41 squeeze bore gun
7.5 cm Pak 41 flange-projectiles. Left: Armor-piercing composite non-rigid (APCNR) Right: Armor-piercing (AP)
The original patent filed by Hermann Gerlich in 1932
2.8 cm sPzB 41 squeeze-bore anti-tank gun captured by British forces in Sicily 1943.
2.8 cm sPzB 41
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2.8 cm schwere Panzerbüchse 41 or "Panzerbüchse 41" was a German anti-tank weapon working on the squeeze bore principle. Officially classified as a heavy anti-tank rifle, it would be better described,
Squeeze bore
…Squeeze bore artillery 2.8 cm sPzB 41 4.2 cm Pak 41…
2.8 cm sPzB 41 at the Musée des Blindés.
sPzB 41 captured by the British Army, 1942.
Sd.Kfz. 250/11 of Großdeutschland Division, Eastern Front, 1943.