A hammer head is useful for pounding in nails and tent stakes

Rockwell-C hardness: 57-58

Your 2 primary concerns are always going to be hydration and core temperature regulation

Specifications:Weight: 87gBlade Length: 75mmTotal Length: 186mmMain Blade Thickness: 3mmBlade Material: Bohler Steel N690 (58HRC)Handle Material: Anticorodal Anodized AluminumMain Grinding: Flat

KJ WORKS GLOCK 18 KP-18 FULLAUTO DPX A hammer head is usefulSystem : Gas Blow BackAction : Semi Fully AutoVelocity : ~ 380 fps with extensionVelocity : ~ 320 fps without extensionLength : 180 mmWeight : 775 gHop up : Adjustable Gas : Green GasCapacity : 23 + 1 FEATURES: Aluminum slide, Aluminum outer barrel, metal full size Green Gas magazine, fire selector, and all metal internals High Impact Full Black Polymer frame Under barrel 20mm rail for accessory attachment extension inner barrel for achieving higher