If you carry a gun of any kind, you need this first aid kit.  Firstly you need it just in case you or someone you can about gets injured in a self defense situation.  Secondly, in the event that you happen to shoot and kill an attacker, it would really help your self defense case if the evidence shows that you made attempts to save the attackers life after you shot him in order to stop the attack.

A micro trauma kit packed with essential life-saving supplies. Designed by medical and firearm professionals, a first aid kit perfect for hunting, the gun range, your car, and more.

• Contains over 35 quality supplies, including 15 trauma items, such as chest seals and a tourniquet
• Packable, all-in-one medical kit for the range
• HSA/FSA approved