B5 Systems AK Stock for AK Folding Trunnion 4.5mm – Adjustable Length, Black (AKM-1491)

• AK stock mounts to factory folding trunnion via 4.5mm pin with possible fitment required
• Collapsible length of pull adjustment with optic rail cutout for improved AK ergonomics
• Cushioned nonslip buttpad with fixed sling mounts and steel anti-rotational QD mounts
• Durable composite material construction with steel hardware in matte black finish
• Drop-in upgrade for factory 4.5mm folding stock mounting configuration
• B5 Systems AK Stock model AKM-1491 with UPC 814927023192 made in USA

The B5 Systems AK Stock 4.5mm Black is a rifle stock designed for mounting to factory folding trunnions on AK platforms.

The B5 Systems AK Stock 4.5mm Black mounts using a 4.5mm pin interface and is built from composite materials with steel hardware for consistent structural support. This rifle stock features adjustable length of pull, an optic rail cutout, and a cushioned nonslip buttpad. This product is used for replacing factory folding stocks on AK rifles with compatible trunnions. In normal operation, it fits AK platforms with 4.5mm folding trunnions, with possible fitting adjustments depending on tolerances. The black finish provides a standard appearance. The B5 Systems AK Stock 4.5mm Black is categorized as a stock and is suitable for range use and firearm configuration setups requiring a folding stock interface.