Small set screw that comes with the SA5P and ARH400 wrench kits. This screw goes in the adapter behind the takedown detent/spring to retain them.
Small Set Screw – Wrench Kit
Small set screw that comes with the SA5P and ARH400 wrench kits. This screw goes in the adapter behind the takedown detent/spring to retain them.
$1.99
Frequently Purchased With
Blemish SA5 Pro AR15 Folding Stock Adapter
$175.99 Select options This product has multiple variants. The options may be chosen on the product pageThe SA5 was designed and tested with professionals and protectors in mind. Turn your AR into a compact, concealable platform with a folding stock adapter built to outlast your rifle. Made in the USA, the SA5 is lightweight and 250% stronger than our 4th gen adapter. Choose from a left folding or right folding option depending on your needs. Built to work and built to last, the SA5 is user-serviceable and easy to install.
Cosmetic Blemish: Slight scratches or slight color difference. These are not used folders.SA5 Pro AR15 Folding Stock Adapter
$219.99 Select options This product has multiple variants. The options may be chosen on the product pageThe SA5 was designed and tested with professionals and protectors in mind. Turn your AR into a compact, concealable platform with a folding stock adapter built to outlast your rifle. Made in the USA, the SA5 is lightweight and 250% stronger than our 4th gen adapter. Choose from a left folding or right folding option depending on your needs. Built to work and built to last, the SA5 is user-serviceable and easy to install.
Pin, Spring & Screw Set for ARH300
$9.99 Add to cartThis is a replacement retaining pin, spring and screw set for our Gen 3 Folding Stock Adapter only.
AR15 Folding Stock Adapter Gen. 4
The Folding Stock Adapter allows you to fold your stock and significantly reduce the length of your rifle for easy stow and travel. The Gen 4 AR Folding Adapter sits closer to your AR lower to reduce the length and any gaps. Turn your rifle into a foldable AR providing a compact rifle setup.
$209.99Original price was: $209.99.$146.99Current price is: $146.99. Select options This product has multiple variants. The options may be chosen on the product pageSA5P Plunger
$6.99 Add to cartSpare threaded orientation plunger for the SA5P and ARH400 which is used to lock the rotation of the folding adapter against the lower receiver.





