UZI Conversions - Micro UZI
The UZI Pistol was designed for the American market and released in 1984 - before a fully automatic version of the pistol (later to be known as the Micro UZI) was ever designed. Immediately people began to thinking about full auto conversion methods for the new UZI. For a period of nearly two years, transferable registered conversions could be done on the UZI Pistol. Many of the UZI Pistol conversions are registered bolts like the Mini UZI. Also like the Mini UZI, the Pistol has no bolt blocking rail so there was no need for slot bolts. A number of manufacturers also did registered receiver conversions, including Wilson Arms, Fleming and Hard Times Armory. LaFrance did quite a few UZI Pistol conversions for the movie industry.
The proper open bolt conversion requires a bolt with feet, just like the Mini UZI bolt, but the UZI Pistol has the same issue as the semi automatic Mini UZI in that the trunion is not relieved to make room for the bolt feet. There have been several approaches to this.
The most obvious difference between the UZI Pistol and the Micro UZI is that the full auto Micro UZI has a folding stock, which is not permitted on a standard UZI Pistol. A conversion may or may not have installed a folding stock. The folding stock makes a huge difference in the controllability of this small weapon during full auto fire and is a very desirable feature to look for when buying a conversion. Adding the stock requires a stock hinge on the back of the UZI receiver. This hinge is milled right into the back plate of the Micro UZI and is not present on the UZI Pistol. The easiest way to address this problem is to buy a new back plate with a hinge and weld it right over the top of the original UZI Pistol back plate. Vector Arms sells a hinged Mini UZI back plate that can be used on an UZI Pistol conversion. It's important to remember that if a stock is installed on an UZI Pistol that has a registered bolt in it, the bolt must stay with the gun or an illegal short barreled rifle has been created.
Sling Pin and Bayonet/Accessory/Lug:
The Micro UZI has two other things that the UZI Pistol does not - a sling pin near the front sight and a bayonet/accessory lug on the bottom of the receiver. A conversion may or may not have these two features installed. The sling pin is easy to install by drilling a hole in the left ear of the front sight. The bayonet lug needs to be welded to the bottom of the receiver.
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Last Modified: April 19, 2004