Explosive trap.
The item id for Claymore in unturned is 1102. You can use this ID with the commands below to spawn the item, give it to a player or buy it on a modded economy server.
Useable: Barricade
Build: Spike
Size_X: 1
Size_Y: 1
Size_Z: 0.35
Health: 1
Range: 4
Radius: 0.2
Offset: 0.225
Player_Damage: 91
Zombie_Damage: 175
Animal_Damage: 175
Barricade_Damage: 75
Structure_Damage: 75
Vehicle_Damage: 175
Resource_Damage: 625
Object_Damage: 100
Range2: 8
Explosion2: 34
Explosion: 36
Blueprints: 1
Blueprint_0_Type: Tool
Blueprint_0_Supplies: 4
Blueprint_0_Supply_0_ID: 67
Blueprint_0_Supply_0_Amount: 3
Blueprint_0_Supply_1_ID: 65
Blueprint_0_Supply_1_Amount: 2
Blueprint_0_Supply_2_ID: 73
Blueprint_0_Supply_2_Amount: 1
Blueprint_0_Supply_3_ID: 1242
Blueprint_0_Supply_3_Amount: 1
Blueprint_0_Level: 1
Blueprint_0_Skill: Craft
Blueprint_0_Build: 32
Has_Clip_Prefab: false