JK ARMAMENT JK155LTA25 | Booster/3-Lug Adapter | 1.125-28 TPI

The JK ARMAMENT JK155LTA25 is a booster-style 3-lug adapter machined for use with devices that require a 1.125-28 TPI interface. It is finished in a hard-anodized black and constructed from aluminum to offer a balance of light weight and corrosion resistance. This adapter provides a secure mechanical interface for compatible 3-lug muzzle devices and accessories.

Common applications include use in competition setups where quick-attach 3-lug devices are employed and range testing or sighting-in when converting between thread patterns and 3-lug mounts.

Product Specifications

• The brand is JK ARMAMENT.
• The model is listed as Booster/3 Lug Adapter.
• The manufacturer’s identifier in the product name is JK155LTA25.
• The thread pattern is 1.125-28 TPI.
• The material is Aluminum.
• The finish is Hard Anodized.
• The exterior color is black.
• The outside diameter is 1.55 inches as stated in the product name.
• The product is intended as an adapter for 3-lug accessories and compatible muzzle devices.
• The category is listed as Class 3 Parts & Accessories.
• The short product description provided by the manufacturer is Jk Armament JK155LTA25 Booster/3 Lug Adapter 1.125-28 TPI Threads Black Aluminum 1.55″ Diameter.
• The product image URL is https://media.server.theshootingwarehouse.com/large/189129.jpg.
• The UPC is 850017729094.

Built to provide a straightforward mechanical interface, this adapter is machined and finished to match common 3-lug accessory requirements while keeping weight low through its aluminum construction. Its hard-anodized surface resists wear in regular range and competition use, making it a practical choice when changing between thread patterns and quick-attachment 3-lug devices.