The Sylvan Arms Folding Hinge Stock Adapter allows you to fold your stock and significantly reduce the length of your rifle for easy stow and travel. Once properly installed, the look and feel of your AR is upgraded to a more modern PDW type design that you'll quickly want for all of your other AR rifles.

In stock


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 American Owned and Operated

20+ Years In Business



  • Sylvan Arms AR Folding Stock Adapter - Generation 3
  • Works on 5.56/.223 or .308 AR Platforms
  • CNC Machined from 7075 BNillet Aluminum
  • Black Hard Coat Anodized
  • Lifetime Warranty
  • Made in the USA
  • UPC: 852237007365

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Customer Reviews

Great product
Review by Mart G.
Verified Buyer
Very good quality material. Installed on my Ruger AR556 pistol
Review by Hendrick R.
Verified Buyer
Fits, works, and looks great
Review by Dalyn Y.
Verified Buyer
Works as expected. Very happy with the purchase. Would recommend to anyone using an AR-15,AR -10 etc needing to fold for storage space.
Waste of money
Review by Marcellous H.
Verified Buyer
In the company's videos about it, they show you being able to just "snap" it open. Not mine, to get it to fully open and lock take pressing the locking button. Since the gun can't be fired with the stock folded, pretty much means you'd BEST leave it locked in the extended position if there's even the slightest chance you might actually need to use it
Review by Erol X.
Verified Buyer
Looks great, installs easily! Can't wait to try it out!
Sylvan Arms (Gen 3) Folding Stock Adapter
Review by Ashleigh Z.
Verified Buyer
I use these on all my 7.5" & 10.5" pistol builds, for me & customer builds. They just make these AR15 pistols so concealable (backback gun) & portable.
Review by Jaykob P.
Verified Buyer
Nice piece of equipment. A little tricky on the assembly trying to get all your springs in while tightening it all up.
Great addition to any AR rifle or pistol.
Review by Keland O.
Verified Buyer
The Gen 3 folding stock allows my AR 300blk pistol to fit in to my pac nicely. It is well made an looks nice. When folded out is has a nice tight locking system. Easy push button to collapse off to the side. Only down side is adds weight to ur Firearm.
Review by Todd H.
Verified Buyer
Very nice addition to my .300
Review by Noal W.
Verified Buyer
Excellent fit, have had it for a bit now, completely pleased!
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