Perfect for AR-15 rifles, the Firefield 15 Inch Verge M-LOK Rails feature a skeletonized, low profile design to provide the most lightweight handguard possible. M-LOK cutouts ensure compatibility with all tactical M-LOK accessories and attachments, while a hard anodized aluminum construction produces durability you can trust in the field. The Verge 15 Inch M-LOK rails include a 7 slot M-LOK rail piece and hex key.