The APC9K Pro from Brugger & Thomet is everything the APC9 Pro offers, but in a smaller package.  It's reduced barrel length allows the APC9K Pro to have a smaller footprint and a suppressor added without being overly long.  The easy addition of a stock and suppressor make the APC9K pro an ideal candidate for a suppressed short-barrel PCC.  When pulled out of the case, the APC9K Pro features a threaded barrel, however also included is a 3-lug adapter should that be the preferred attachment method.  A set of backup sights and sling are also included.  

The Pro variant features dual auto-folding charging handles that are non-reciprocating.  It features an improved lower receiver with superior ergonomics, to include a side-positioned bolt hold open and release.  The grip has been altered to accept any M4 compatible grip.  Magpul M-Lok accessory slots are also featured, allowing accessories to be mounted easily. Includes One Translucent Polymer 30 round magazine, cleaning kit, sling, case