SYLVAN AR Folding Stock Adapter

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SYLVAN AR Folding Stock Adapter


  • Fit: platforms .223/5.56 to .308 & most 9mm:
  • 9mm bolt carriers with 5/8 ID (.625) standard sizing can use the bolt extension included, after removing the pin and weight from the bolt carrier
  • If your PSA bolt carrier is causing the bolt extension to come up short contact us for a conversion.
  • Does NOT work with Silent Capture Buffer Springs (Yet)
  • 300 blk (blackout) compatible
  • Adds 2 inches to Length of pull
  • Surface treatment: hard coat black anodized
  • Material: 7075 CNC-machined billet Aluminum
  • Thread specifications: 1-3/16″ X 16
  • Hinge dimensions: 3 11/16 inches
  • Hinge weight: 6.0 oz, BC – Extension 3.1 oz
  • Hinge length: 1.3 inches


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