Downsized PDW Conversion Kit: the Sling Tension MCK TAC

Handgun to PDW conversion kit from CAA: the MCK TAC
| July 15, 2021
Categories: Guns

This is the MCK TAC from CAA. If you’re a gun person at all you’ve probably seen MCKs in various configurations on the range or on social media. (Hopefully not from the business end of it, unless you’re a looter/rioter/violent protester, in which case we hope you shit your pants). The MCK TAC is another style of conversion kit used to make a Personal Defense Weapon (PDW) from a handgun, albeit one that uses sling tension vs. a brace or stock to do so.

Using sling tension to stabilize the CAA MCK TAC.

The MCK TAC is an expansion to CAA USA’s MCK/Micro Conversion Kit lineup. Compatible with 120 or more models of handgun and available in a wide variety of colors and camouflage patterns, the MCK TAC is one of the smallest “PDW conversion kits” available yet — or the more common ones, anyway.

An MCK TAC retrofit conversion kit is also available (and not just for Glocks, either).

CAA MCK PDW conversion kit


The MCK TAC is designed for close-in type defensive work (hence the PDW angle), including “close protection” (i.e. VIP/PSD uses), providing what is essentially an add-on shooting platform expansion. There is no stock on the MCK TAC as it is not intended to be shouldered, though the ass end of it does have a nice little compartment tucked away for your stash.

CAA MCK PDW conversion kit

CAA MCK PDW conversion kit

Instead, it is stabilized (insomuch as any weapon using sling tension can be stabilized) as described by the manufacturer below. 

The MCK TAC ships with a special Bungee sling, sling swivel, and rail-mounted thumb rest for added stability when accuracy and control truly count.

The combination of the shooter’s arm at full extension and the resistance from the bungee-style sling creates a steady platform for added accuracy and control when shooting the MCK TAC.

Installation is fast, simple, and largely intuitive (as Travis Pike reported in his review of a similar “Glock brace).

CAA MCK PDW conversion kit

LTC. (Ret.) Mikey Hartman, CEO of CAA USA advises,

“Born out of demand by private and military security firms, we put our engineering team to work on creating the most compact and discrete MCK (Micro Conversion Kit) to date. Presenting the MCK TAC. The TAC is suitable for all real-time scenarios in which concealment and speed are paramount. Taking cues from the shooting dynamics of firearms like the HK MP5K, the MCK TAC, with included bungee sling and swivel is the ultimate compact shooting solution. Not only are we releasing the MCK TAC, but we’ve also created a TAC upgrade KIT to retrofit any existing MCK to the new TAC configuration. The TAC rear compartment keeps you in the fight by adding storage for an additional CR123 battery for your weapon light or optic, up to four 9mm rounds or even hearing protection.”

Converting a pistol to PDW with MCK TAC step 1

Converting a pistol to PDW with MCK TAC step 2

Converting a pistol to PDW with MCK TAC step 3

The “SAS Method” of Sling Use

Sling tension shooting“, also referred to as the “SAS method” was first popularized (if that’s the right word) by images of the British Special Air Service, though other units have used it. Sling tension shooting is, as described above, a push/pull method. Here’s an explanation (though it uses a different weapon system).


Installation of the MCK/TAC PDW Conversion Kit


We the People Holsters

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