Product Description The Seekins Precision Enhanced Builder&';s Kit is a comprehensive lower parts kit designed for AR-15 platform builds. This kit contains all of the Seekins Precision manufactured lower receiver parts, including the critical pins and springs needed for a complete assembly of your AR-15 lower receiver. Finished in black, every component is built to the tight tolerances Seekins Precision is known for, making this kit an ideal choice for builders who demand quality and reliability from the ground up. Compatible with standard AR-15 lower receivers chambered in .223 Remington and 5.56x45mm NATO. Product Highlights Complete AR-15 lower receiver parts kit with all pins and springs needed for full assembly Includes Seekins Precision proprietary Enhanced Bolt Catch and Takedown Pins (pivot and rear) -- exclusive to this builder&';s kit Features a Safety Selector Barrel with both 60 and 90-degree options, plus short and long safety selector levers for versatile configuration All components manufactured by Seekins Precision for consistent quality, fit, and finish in matte black Compatible with .223 Remington and 5.56x45mm NATO AR-15 platform lower receivers Specs Brand: Seekins Precision MPN: 0011510063 UPC: 811452029606 Color: Black Compatible Platform: AR-15 Compatible Caliber: .223 Remington, 5.56x45mm NATO Gun Type: Rifle Condition: New Kit Contents: Enhanced Bolt Catch Bolt Catch Roll Pin Bolt Catch Spring Bolt Catch Plunger Buffer Retainer Pin Buffer Retainer Spring Mag Release Button Mag Catch Mag Catch Spring Safety Selector Barrel 60/90 Degree Short Safety Selector Lever Long Safety Selector Lever Selector Detent Selector Spring Trigger Guard Trigger Guard Roll Pin Seekins Precision Takedown Pins x2 (Pivot and Rear -- Only available in builder&';s kit) Takedown Pin Detent x2 Takedown Pin Spring x2 Set Screw Hex SHCS Hex x2 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>