The B5 Systems AK Stock for the 4.5mm folding trunnion in Plum (brand part no. AKM-1496) is a drop-in upgrade for the factory 4.5mm folding stock. It mounts to the folding trunnion with the factory 4.5mm pin. The stock adds an adjustable length of pull, an optic rail cutout, a cushioned nonslip buttpad and both fixed and QD sling mounts. It is built in the USA by B5 Systems from composite materials and steel hardware. The maker notes that because manufacturers’ tolerances vary, some fitment may be required.

Key Specifications

• The color is Plum, which sets this SKU apart from the other B5 AK stock colors.
• It is a replacement for the factory 4.5mm folding stock, so the folding action stays on the rifle.
• It mounts to the folding trunnion through the factory 4.5mm pin, which sets which AK trunnions it fits.
• Length of pull is collapsible with 5 positions, which fits shooters of different builds.
• An optic rail cutout in the stock supports a lower cheek weld behind a mounted optic.
• A cushioned nonslip buttpad reduces felt recoil and keeps the stock seated on the shoulder.
• Sling attachment comes from fixed sling mounts and steel anti-rotational QD mounts, which gives two ways to carry a sling.

Frequently Asked Questions

Which folding trunnion does this stock fit? It is made for the 4.5mm folding trunnion and mounts with the factory 4.5mm pin. B5 Systems notes that because manufacturers’ tolerances differ, some fitment may be required.

Is the length of pull adjustable? Yes. The stock collapses through 5 length-of-pull positions.

What sling mounts does it have? It has fixed sling mounts and steel anti-rotational QD mounts.

Buy the B5 Systems AK Stock, 4.5mm Folding Trunnion, Plum

Replace the factory 4.5mm folding stock with an adjustable, cushioned composite one and add it to your AK stocks, forends, and forearms lineup. Order it from our Lubbock, Texas gun shop and it ships directly to you.