Original price was: $444.99.$365.00Current price is: $365.00.
Don't See Your Gun Make or Model Below? [ Find Your MCK Here ]
READ DRUM DESCRIPTION BELOW TO ENSURE DRUM AND GLOCK MODEL COMPATIBILITY (Glock 17, 18, 19, 26 & 34 /OR/ Glock 21)
You asked for and you’ve got it. The new MCK for the Polymer 80 is here! The World Famous MCK is now available for Polymer 80 80% kit builds.
Top Features:
All of the Advantages of the MCK for your Polymer 80:
Glock drum magazine with a 50-round/40-round capacity for Glock 9mm pistols (Glock 17, 18, 19, 26 & 34)/Glock 21.
RWB drum magazines deliver maximum capacity and impressive quality for the world’s most popular pistols—all at a price that’s hard to beat.
Featuring an all-black polymer construction polymer and steel construction, this 50-round drum magazine works with all Glock pistols (Gen 3 or later) and Glock-compatible carbines like the Kel-Tec Sub 2000 and AR-15s chambered in 9mm. .45 Auto Drum works with Glock 21 models.
Features include heat-treated internal chrome silicon wire spring for maximum reliability and smooth feeding and special finger taps for quick and easy reloading.
CAA USA does not ship firearm parts, accessories or magazines outside of the contiguous United States of America. Orders of firearms parts, accessories or magazines placed outside the United States will be canceled and refunded immediately.
Any orders placed for magazines that are not legal in your state will immediately be refunded and restocked and may be subject to a 5% restocking fee.
*LE/Military: Duty use items are exempt from restrictions with proper verification. Please call us to make arrangements to verify LE/Military credentials.
Californiafornia: No magazines over 10 rounds will be shipped to customers with shipping addresses in CA.
Chicago and other counties within IL: No magazines over 10 rounds will be shipped to customers with shipping addresses in CHI.
Colorado: No magazines over 15 rounds will be shipped to customers with shipping addresses in CO.
Connecticut: No magazines over 10 rounds will be shipped to customers with shipping addresses in CT. As of 10/1/13 in order to comply with CT Senate Bill No. 1160 magazines holding 10 rounds or less can only be purchased if the buyer provides a copy of a driver’s license and ONE of the following: state handgun carry permit, long gun certificate, or ammunition certificate.
District of Columbia: No magazines over 10 rounds capacity will be shipped to customers with shipping addresses in DC.
Hawaii: No handgun magazines over 10 rounds will be shipped to customers shipping addresses in HI. Rifle magazines are ok.
Maryland: No magazines over 10 rounds will be shipped to customers with shipping addresses in MD.
Massachusetts: No magazines over 10 rounds will be shipped to customers with shipping addresses in MA.
New Jersey: No magazines over 15 rounds will be shipped to customers with shipping addresses in NJ.
New York: No magazines over 10 rounds will be shipped to customers with shipping addresses in NY.
The above description lists state restrictions currently known to CAA USA. CAA USA does not guarantee its completeness. It is the responsibility of the buyer to research and obey all applicable local, state, and federal laws in regard to the possession, use, and sale of any magazine purchased from CAA USA.
MICRO RED DOT
The Micro Red dot sight is a joint -venture with Crimson Trace and features 1.3 years of battery life on a single CR2032 battery with 14 different illumination settings ( 7 settings for red & 7 settings for green) that can be quickly cycled through for use at night or on a bright day. The 4 MOA red dot is extremely crisp and allows you to take quickly aimed shots at short range while still giving you the ability to make effective shots at medium ranges. The glass that the red dot is projected on is fully multi-coated to reduce reflection and provide a clear sight picture. It is also shock, dust, impact, fog, and recoil resistant.
Top Features:
P80


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Constructed of high-impact polymer and TPE rubber—lighter and more durable than conventional rubber. Fires folded and locked. Compatible with Gen 1 & 2 MCKs; secures via Velcro arm strap. Exclusively licensed to CAA USA by SB Tactical (patent owner)—the only authorized MCK brace kit. Non NFA item.

The MCKGEN2 Stock is the NFA rifle stock exclusive to the MCKGEN2 platform. Designed to shoulder while firing, it delivers optimal comfort, ergonomics, stability, and accuracy. Note: Installing a stock converts a pistol into a Short-Barreled Rifle (SBR), requiring ATF/NFA compliance.

The Stabilizer Brace is the short replacement stock for both MCK and Micro RONI® platforms. It enables one-handed firing with a custom-fit hook-and-loop fastener and adjustable nylon brace. Features a folding mechanism for stability and includes a forearm strap for single-handed support—without converting your handgun into an SBR. Designed mainly for the US market.

The TAC Kit transforms your Micro Conversion Kit into a compact setup with a One-Point Sling (Push Button Swivel) and thumb rests, inspired by HK MP5K dynamics. Full arm extension plus bungee resistance creates a steady platform for better accuracy and control. Includes a forearm strap for single-handed support without converting your handgun into an SBR.
What's The Difference Between a Stabilizer vs. Short Stabilizer vs. Stock vs. TAC?:
Find out if your pistol is compatible out of the box or if it requires an upgrade kit.
Select your gun's manufacturer and exact model above to verify setup compatibility.
Amazing product, and the kit comes with everything you could need for a first range day.
Very satisfied. Fun little toy!
10-Oct
With this setup- turn key truck gun to use your carry Glock in!