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 HBA Cause 4 K9s is a registered non-profit in the state of Colorado (ID# 20131451644)

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1910 Maxim Reproduction Parts
1910 Maxim Semi Conversion
1919 Internals Machining
Aurora Faux Suppressor
Beretta 38a
Build Components
Build tools, Jigs and Helpful Items
CZ-23 / CZ-24 / CZ-25 / CZ-26
Carl Gustaf, Swedish K, Port Said, M/45
Custom Barrel Services
FBP (9mm) SMG
FMK-3
MP-34 Reciver / Bolt Services
MP-38 and MP-40
PPS-43
PPSH-41 Repair Sections and services
SLS (Semi-only) Sten Long Shroud Kits
Scratch, Dent and Ding Bin
Special Order Isle
Star Z-45
Stens
Suomi M-31/ KP-31
Tri-pod Adapters
VZ-58 Hybrid 80% (Non-FFL) Receivers
Yugoslavian M-56
ZK-383
Shipping Insurance
HBA Cause 4 K9s

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Turn Around Times and Shipping
Sales, When and Where?

Trade offerings

 

HellBox Supported pages
Forums for home builders
*Weapons Guild* 
 

Prexis 80% Solutions
Prexis   

"How To" CD's for builders
AND 07 work

GunBuilds.com   

Denver Area FFL
BeckEnterprises, LLC

 

Kits & Part Sources
APEX
Cope's Distributing
Centerfire Systems 
Sarco Inc.
Military Gun Supply


The Sa.23 series utilize a straightforwards blowback action, with no locked breech, and fire from the open bolt position. They also use a progressive trigger for selecting between semi-automatic fire and fully automatic fire. Lightly pulling on the trigger will fire a single shot. Pulling the trigger further to the rear in a continuous motion will fire fully automatically, until the trigger is released or the magazine is empty. The Sa.23 series were the first production-model submachine guns with a telescoping bolt, in which the forwards part of the moving bolt extends forwards past the back end of the barrel, wrapping around that barrel. This feature reduces the required length of the submachine gun significantly and allows for better balance and handling. Handling was further improved by using a single vertical handgrip housing the ammunition magazine and trigger mechanism, roughly centered along the gun's length. The gun's receiver was machined from a single circular steel tube.

The Sa 23 (vz. 48a) was the first variant, using a fixed wood stock and firing standard 919mm Parabellum (aka 9mm Luger Parabellum) ammunition. Has a straight vertical pistol grip and ammunition magazine. Magazines were issued with 24 and 40 round capacity.
The Sa 25 (vz. 48b) was the second and perhaps best known variant, using a folding metal stock, still firing 919mm Parabellum ammunition. Other than the folding stock, is identical to the Sa 23 and uses the same 24 and 40 round magazines.

The Sa 24 and Sa 26 were introduced after Czechoslovakia joined the Warsaw Pact, and were redesigned to fire 7.6225mm Tokarev standard Soviet type pistol ammunition.

The Sa 24 (vz. 48a/52) corresponds to the Sa.23, using a fixed wood stock and firing 7.6225mm Tokarev ammunition. Can be visually distinguished from Sa.23 as it has a slightly forwards-slanted pistol grip and ammunition magazine, though the main receiver and other components are otherwise visibly identical. It was issued with 32-round magazines.
The Sa 26 (vz. 48b/52) corresponds to the Sa.25, with a folding metal stock but otherwise identical to the Sa.24, using the same 32-round magazines.

CZ-23 / CZ-24 / CZ-25 / CZ-26



CZ-23 / 24 / 25 / 26 80% Original ID Receiver
Code: OIDcz20series
Price: $150.00
We are currently sold out of 'CZ-23 / 24 / 25 / 26 80% Original ID Receiver'.
We will be scheduling a production run as soon as possible for this item.
Please check the updates on the main store page for upcoming production run schedules.
Thank you for your patience and interest in our products.



Quantity in Basket: none



CZ-23 / 24 / 25 / 26 80% Reduced ID Receiver
Code: CZ20seriesRID
Price: $140.00
We are currently sold out of 'CZ-23 / 24 / 25 / 26 80% Reduced ID Receiver'.
We will be scheduling a production run as soon as possible for this item.
Please check the updates on the main store page for upcoming production run schedules.
Thank you for your patience and interest in our products.



Quantity in Basket: none




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.