Pistol full-auto conversions

Pistol full-auto conversions explained

Early developments of "Machinepistols"

- In the confines of the WW I trenches

- Luger pistol with the 32-round drum magazine

- Machine fire carbine version of the Mauser C96 pistol

- Schmeisser's design known as the "Maschinen Pistole 18"

- Spanish selective fire copies of the Mauser C96

- Bestegui Hermanos (Royal) & Unceta & Cie (ASTRA)

- Mauser C96 with a selective fire capability

Early Browning type pistols with selective fire

- Himan S. Lebman's prototypes

- John Dillinger and Baby face Nelson

- Star or Llama selective fire Browning designs

- Star Model D

- Llama Model "Plus Ultra"

- French UNION Model "Rafaleur"

The STAR machine pistol Model 1922

- The trigger mechanism

- Selective Fire Mechanism

- Detail of the new parts and modifications

- Operation of the Star MD in full-auto mode

- Cyclic rate retarder device

Mechanical features of the Colt 1911-A1

- Phantom view of the Colt Model 1911-A1

- The Colt 1911 trigger mechanism

- The function of the disconnector

- When the slide recoils

- The grip safety

- The thumb safety

Joe Ramos first machine pistol prototype

- Joe Ramos and Hector Villanueva

- Late 60's researches

- The experience bloody gunbattles at short range

- Preliminary works were undertaken by military armorers

- A request to private contractors and gunsmiths

- The JURAMS CMP-45 as one of the contenders

- First prototype working with an "open slide" action

- Mechanical details

- Conclusions of all the short comings

Joe Ramos second machine pistol prototype

- A completely new approach

- To preserved the original design of the Model 1911-A1

- Modifications of the 1911-A1 receiver

- Modification of the grip safety

- Modification of the trigger stirrup

- Creation of new parts

- Sear lever with connector

- The tripping lever

- The fire selector mechanism

- Selector of pivoting type or of sliding type

Functioning of the J. Ramos selective fire system

- Firing in semi-auto mode

- Close-up view of the selective fire mechanism

- When the trigger is depressed

- Step by step explanation

- Firing in full-auto mode

- When the trigger is depressed

- Step by step explanation

Front folding grips and other improvements

- The first model of forward grip

- A first improvement by extending the grip base

- How the base was fastened to the trigger guard

- Technical details of the folding grip designs

- The final version was an all-metal folding grip

- High capacity magazines

- Drum magazines and extended straight magazines

- Removable or even folding shoulder stocks

- Modification of the Colt main spring housing

- Stocks made from wood planks

- Stock attachment of the "Lebanese style"

The Combat Submachine Pistol

- The Jurams CSP - 45 (Combat Submachine Pistol)

- 20 and 30-round double column straight magazines

- Several sizes of barrel

- Ventilated jacket & muzzle break

- Concealment of the tripping mechanism

- The CSP - 45 was nearing completion in early 1972

- ANIMATED SEQUENCE of the Ramos selective fire mechanism

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