Warsheep Tactical feature the AW Custom Carbine Conversion Kit For Glock that is available in three colours. This is an easy "plug and play" installation and is made of polymer. It features picatinny rails for mounting accessories, integrated fron and rear sighs, and a folding skeleton stock.
Still got that Christmas shopping money to buy yourseld a new airsoft kit? G&G might want to take that as they are now taking pre-orders for the SMC-9 which is a carbine conversion kit for the G&G GTP9 GBB Pistol... "Take your CQB gameplay to the next level with the ultra-compact SMC-9. It features a 6.03mm tight bore barrel, full metal receiver and M-LOK rail, a collapsible stock, and it comes with a 50 round magazine. We are also including a speed loader and a bigger back strap for the perfect grip.
More pistol to carbine conversion kits to choose from and for owners of Armorer Works VX pistol series, they can use the AW Custom Tactical Conversion Kit... "We are proud to introduce our latest product - AW Custom™ Tactical Carbine Conversion Kit for VX Series. Constructed in high strength polymer, it comes with folding skeleton stock for adapting to different situation. Features with integrated front sight and adjustable rear sight, it provides multiple picatinny rail panels for accessories.
Hyperdouraku finds an available Maruzen Walther P99 Carbine Conversion Kit for review. As far as we know, this product has been discontinued, though production may have resumed. This carbine conversion kit will make you think it is the RONI Carbine Conversion Kit which is made CAA, and for airsoft by the CAA Airsoft Division.