7mm Penna

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7mm Penna
Type Handgun
Place of origin Italy
Production history
Designer Leonardo Penna
Designed 2004 (C.I.P.)
Parent case FN 5.7x28mm
Case type Rimless, straight
Bullet diameter 7.04 mm (0.277 in)
Neck diameter 7.9 mm (0.31 in)
Base diameter 7.95 mm (0.313 in)
Rim diameter 7.95 mm (0.313 in)
Rim thickness 1.2 mm (0.047 in)
Case length 23 mm (0.91 in)
Overall length 34.5 mm (1.36 in)
Primer type small pistol
Maximum pressure (C.I.P.) 250 MPa (36,000 psi)C.I.P.
Ballistic performance
Bullet mass/type Velocity Energy
4,5 405 m/s (1,330 ft/s)
3,2 480 m/s (1,600 ft/s)

The 7mm Penna also known as the 7×23mm is a handgun cartridge designed by Leonardo Penna for law enforcement applications.[1][2] The cartridge utilises a novel lightweight, pointed projectile made from brass travelling at high velocity with the intention of giving it limited armor-piercing capabilities and greater stopping power.[1]

There has been rumours of Fiocchi of Italy developing this cartridge for the sport of competitive shooting especially for IPSC competitions.[citation needed] STI chambered a few of their Nemesis line of 1911 clones for this cartridge but ceased shortly thereafter due to very little demand for such a handgun in this chambering.[citation needed]

This cartridge family also includes a 7x28mmR rimmed cartridge designed for use in revolvers and longer cartridges for use in carbines and rifles.[3]


  1. ^ a b Leonardo, Penna. "7penna ammunition". Q.S. Progetto Meccanica s.a.s. Retrieved 9 July 2013. 
  2. ^ "Tab IV - Pistol and revolver cartridges". C.I.P. Retrieved 9 July 2013. 
  3. ^ "Forum post". thefiringline. thefiringline. Retrieved 9 July 2013.