HBA Cause 4 K9s is a registered non-profit in the state of Colorado (ID# 20131451644)
The FMK-3 is a selective fire, blowback operated submachine gun of Argentine origin and was designed by Fabricaciones Militares in 1974. It is chambered in 9 mm, with a rate of fire of 650 rounds per minute. 20, 32, and 40 round magazines are available for the FMK-3. 30,000 were produced for the Argentine military by 1991. Rarely, some variants are found with fixed stocks. The FMK-3 is also produced for the civilian market, as a semi-automatic-only version, named the FMK-5.
All ATF/NFA rules apply to purchases made from this site.
The information/products in these web pages are not intended to be used to construct illegal firearms.
It is the sole responsibility of the purchaser to know and understand all applicable Federal, State and local laws before placing an order.
By placing any order you are agreeing that you accept all legal responsibility for the products purchased and their subsequent use.
For legal semi auto and dummy gun information, contact BATF at: www.atf.gov
Every reasonable effort has been made to ensure that all photographs, descriptions and specifications on this website are accurate.
However, inadvertent errors may occur, and changes in design or materials, due to our continual effort to improve products, may result in some change in specifications before subsequent publications are issued.
HBA reserves the right to modify or change specifications with or without notice at any given time.
Any and all past or present images/text on this site are the sole property of HellBox Armory/HBA - Cause 4 K9s
No off site usage is authorized without my direct consent, violators will be asked to cease and desist (Via court filed order) in such practices, If that order is ignored then violators will be prosecuted to the fullest extent possible. I'm generally an easy guy to get along with but when others try to steal my hard work and livelihood so they can make an easy road for themselves then that is where I draw the line........
You have been forewarned!