Product Description The Wilson Combat TRLOWERK Lower Parts Kit is designed for AR-15 builds and includes the most commonly used small parts needed to complete a custom AR-15 lower receiver. Built by USGI contractors to meet or exceed military specifications, this kit mirrors the components Wilson Combat uses in their own custom AR-15 rifles. It includes a right-hand, semi-auto safety selector and an aluminum GI-style trigger guard. Please note: this kit does not include any fire control parts (hammer, trigger, disconnector, or related springs). Product Highlights AR-15 lower receiver small parts kit built to meet or exceed military specifications Includes right-hand semi-auto safety selector for standard AR-15 lower configurations Features an aluminum GI-style trigger guard with roll pin included Great for completing a custom AR-15 lower without purchasing individual springs, detents, and pins No fire control group components included (hammer, trigger, disconnector, or related springs) Specs Brand: Wilson Combat Manufacturer Part Number: TRLOWERK UPC: 874218006334 Compatibility: AR-15 (AR15 only) Finish/Color: Matte Black Safety Selector: Semi-auto, right-hand Trigger Guard: Aluminum GI-style (includes trigger guard roll pin) Included Components: Bolt Catch, Bolt Catch Plunger, Bolt Catch Roll Pin, Bolt Catch Spring, Magazine Catch, Magazine Catch Spring, Magazine Catch Button, Pivot Pin, Takedown Pin, (2) Pivot/Takedown Detents, (2) Pivot/Takedown Detent Springs, Safety Detent, Safety Detent Spring, Semi-auto Safety Selector (Right Hand), Trigger Guard (Aluminum GI), Trigger Guard Roll Pin, (2) Trigger/Hammer Pins Not Included: Fire control parts (Hammer, Trigger, Disconnector, Springs) 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.