Magpul MAG540-BLK Sling Swivel Black Manganese Phosphate 1.25" Quick Detach/Push Button for AR-15, M16, M4 Black Powder Firearms low profile design to provide

low profile design to provide the most lightweight handguard possible

The chronograph can also deliver the shot string velocity data through the 15 foot audio jack cable (included) to smartphone/ mobile device

Its durable

Insight Microdot

Jocko Hydrate includes all essential electrolytes-- magnesium

Magpul MAG540-BLK Sling Swivel Black Manganese Phosphate 1.25" Quick Detach/Push Button for AR-15, M16, M4 Black Powder Firearms low profile design to providePush button quick detach sling swivel for 1 1 4" webbing, compatible with QD sling attachment points. Manganese phosphate finished steel. Combine with the MS1 Sling for a dedicated two point sling or with an MS1 MS4 Adapter for a two to one point convertible sling. Made in the USA.