Product DescriptionThe Magpul Tactile Lock-Plate Type 1 is a practical magazine enhancement designed to help you quickly identify and differentiate magazines with mixed ammunition loadouts by touch. Featuring a pronounced 1/8" raised single ridge that protrudes through the magazine floor-plate opening, it remains easy to recognize even with gloved hands. This Type 1 (single ridge) configuration is designed to work alongside standard floor plate/lock plate combinations to support rapid, confident loadout identification while maintaining full function in a weapon or magazine pouch. Fits standard PMAG 10/20/30 AR/M4 GEN M3 and PMAG AR 300 B GEN M3 floor plates; not compatible with PMAG 40 AR/M4 GEN M3. Includes 5 lock-plates per pack.Product Highlights Raised 1/8" tactile single-ridge design for fast magazine/loadout identification by feel Optimized ridge height for reliable use with gloves Designed to protrude through the floor-plate opening for positive tactile indexing Compatible with standard PMAG 10/20/30 AR/M4 GEN M3 and PMAG AR 300 B GEN M3 floor plates Durable polymer construction with black finish; 5-pack valueSpecs Brand: MAGPUL INDUSTRIES CORP Product Type: Tactile magazine lock-plate / identifier Configuration: Type 1 (single ridge) Ridge Height: 1/8" Material: Polymer Finish/Color: Black Compatibility: Standard PMAG 10/20/30 AR/M4 GEN M3 and PMAG AR 300 B GEN M3 floor plates Not Compatible With: PMAG 40 AR/M4 GEN M3 Pack Quantity: 5 per pack MPN: MAG803BLK UPC: 840815117711Disclaimer: 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.