9.3 X 59R KOEFFLER

    From an older IAA Forum post: - These are calibre reduction experimentals for a Remington breech-loading rifle proposed by a Danish designer whose correct name apparently is Adolph Keifler, but also written as “Koifler”, “Koiffler” and “Koeffler”....

9 X 56R HEBLER

This is believed to be one of the calibre reduction experiments carried out by Swiss Professor Friedrich Wilhelm Hebler (1844-1932) who was a mechanical engineer from Bern, Switzerland but spent most of his time in Austria. In collaboration with Karel Krnka, he...

9 X 51 SMAW

This was a British designed aiming device for the multi-use Shoulder Mounted Attack Weapon (SMAW) that was fired from a specialised spotting rifle positioned to the side of the rocket launcher. A standard 7.62 NATO case was used that was necked up to 9mm with a...

9 X 41 LAHTI L-51

The 9x41 Lahti was a final development by Amio Lahti during the late 1950’s after he had already retired from the VKT (Valtion Kivääritehdas = State Rifle Factory). During 1943 there were serious issues between him and the VKT management. The Finnish Army Ordnance...

9 X 40 LILJA

The 9x40 Lilja was developed by Erkki Lilja, who was a close colleague of Amio Lahti. He did his own research and development of an assault-rifle type weapon during 1943 and built his own prototype at VKT (Valtion Kivääritehdas = State Rifle Factory), the same place...

9 X 35 Lahti AL-43

During 1943 the Finnish authorities began showing a passing interest in an assault rifle/SMG concept like the 7.92 Kurz. They however did not have either the time nor the inclination to start the development of a whole new assault rifle/cartridge concept smack bang in...

9 X 26 FRENCH XPL

There is currently not much known about this cartridge other that it was based on a shortened 7.5 × 54 MAS Mle 1929 case and was developed in the period right after WW2. The design was by the French Service Technique de l'Armement from a design sketch dated October...

9mm KALTMANN

Designed during the 1970’s by HJ Kaltmann as an expellable cartridge. The addition of the brass case was used during testing for proper functioning of the case and initially used 5,56 NATO cases that were cut down and later versions using 9mm Parabellum cases,...

9mm COLT MARS XPL

The original MARS (Mini Assault Rifle System) was based on a 5,56x30 round. The project started in 1997 when Colt was approached by Michael Harris of Special Analytical Services (SAS) with a concept of a mini-assault rifle that would have the purpose of being a...

9mm AUPO

This was a Fiocchi development during the 1980’s and was used in the Benelli CB M2 semi auto carbine. It is not a caseless cartridge, but a self-contained round as the powder is loaded inside the case with the “primer” located in a chamber the entire circumference of...