Description
The Magpul Pro FHA (Folding Hinge Adapter, MAG999) retrofits a folding butt-stock function to a fixed-stock Magpul Pro 700 chassis. The hinge components are machined steel with a Melonite finish, lock positively in the open position with no hinge play, and release with a serrated push-button. It measures 2.16 in and weighs 10.85 oz (308 g). Made in the USA.
Key features
- Converts a fixed Magpul Pro 700 chassis to folding
- Steel construction, Melonite finish, black
- Positive lock with no hinge movement; serrated push-button release
- Length 2.16 in, weight 10.85 oz (308 g)
- Made in the USA by Magpul
Frequently asked questions
Which chassis does the FHA fit?
The fixed-stock Magpul Pro 700 (and Pro 700L) chassis. Folding Pro 700 chassis already include the hinge.
Does fitting the FHA change length of pull?
The hinge adds 2.16 in between the chassis and stock; adjust the stock LOP to compensate.
Do I need a licence to buy this part?
No. Chassis parts are accessories and ship Australia-wide from 3 Gun Tactical, Tingalpa QLD.
Rifle chassis and chassis parts are components, not firearms, and ship Australia-wide without a licence. Specifications from Magpul Industries (magpul.com); Australian distributor TASCO Sales Australia. 3 Gun Tactical, Licensed Firearms Dealer 50001578, Tingalpa QLD.







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