Product DescriptionCross Armory's Flop Stop is designed to hold the upper receiver of your AR-15 in the open position for faster, safer, and more convenient reloads in situations where compliance requires separating the upper and lower receivers. When the receivers are opened, barrel weight can cause the upper to fall forward, creating an unstable condition and risking pinched fingers. The Flop Stop helps stabilize the open receiver and protect both you and your firearm. This configuration includes Cross Armory's Pin Pal front takedown pin replacement, featuring a locking nut and lubricated captive bearing to help reduce undue wear at the front pivot point. The Pin Pal is removable if you choose to return to the factory configuration, and it is intended to fit any standard AR-15 configuration.Product Highlights Holds the AR-15 upper receiver open to improve stability during compliant reload procedures. Helps prevent the upper receiver from falling forward and pinching fingers while separated. Includes Pin Pal front takedown pin replacement with locking nut for secure fitment. Lubricated captive bearing helps reduce wear on the front pivot point. Designed to work with standard AR-15 configurations and alongside other compliance products.Specs Brand: Cross Armory Manufacturer Part Number: CRFSPP UPC: 656793308764 Platform Compatibility: Standard AR-15 configuration Included Components: Flop Stop; Pin Pal front takedown pin replacement; locking nut; lubricated captive bearing Material (Pin Pal): 4140 ordnance steel Finish/Coating: Black Melonite / Melonite hard coatDisclaimer: 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.