Well, we don't know how you are going to use these Magpul 5.56x45 Dummy Rounds, maybe for some effect for your loadout, or just plain collection. MoaiHobby are offering to give these free for every airsoft gun that you buy from them... "FREE!!! Any purchase of rifle can get free Magpul PTS Dummy Rounds – 5.56x45, 5 Pack."