Sentry Gunnar Rifle Pouch Flap Accessory Kit Black. The Sentry Rifle Flap Maintenance Kit is made of a high grade nylon material that has been designed with laser technology that prevents the material from fraying so you can use this kit for years to come. The Rifle Flap Maintenance Kit by Sentry comes with a patent pending attachment system that will allow you to stack or nest pouches for incredible space savings weight reduction and an overall stronger mounting surface. The unique space saving design on this Sentry Gun Pouch eliminates the seam tape that takes up vital space on your rigger belt. For a great way to make sure you have all the tools you need to properly maintain your weapon choose the Sentry Rifle Flap Accessory Kit. Package Contents: Sentry Gunnar Rifle Pouch Flap Accessory Kit Sentry 25NP23BK: Gunnar Rifle Pouch Flap Accessory Kit Black