HB Industries Springfield Kuna 1913 Stock Adapter

1913/Picatinny/Sig type stock or arm brace adapter for your Springfield Kuna. Our aluminum mount features an integrated QD socket and directly replaces the factory polymer mount. Our mount is machined from billet 6061T6 aluminum and hard coat anodized to MIL-A-8625.

Note: Due to typical production tolerances in the Kuna receiver geometry, your rear takedown pin could fit more tightly with our adapter than with the factory adapter. The factory adapters are polymer, which is a more flexible material, and can account for a wider range of hole locations. Our adapters are aluminum, which is a more rigid material, and therefore have a smaller range in which the takedown pin can be a true “slip fit”. Because of this, we designed our mating geometry to favor the tight side of the tolerance zone, guaranteeing that our adapters will always fall between a slip-fit and tight-fit condition; never too loose. Ultimately, and depending on your receiver, you might need to use a rubber mallet or punch to install/remove your rear takedown pin (nothing more). We believe the risk of being tighter and potentially needing a punch to better than the possibility of your adapter fitting loosely/wobble with a stock/brace attached.

• 1913/Picatinny/Sig Type Stock/Brace adapter for Springfield Kuna (HS Produkt)
• Integrated QD Socket for Convenient Sling Mounting
• Allows for use of all 1913 Type Braces and Stocks
• Drop In, No Additional Parts or Hardware Needed
• Machined Aluminum 6061-T6
• Anodized MIL-A-8625 Type 3 Hard Coat