I purchased this retractable buttstock after I spoke with a friend who had purchased one several months back. He had heard I purchased an airsoft model of an MP5 pistol. He told me how his stock was more 'solid' than the buttstock that came on his real, HK MP5, which was flimsy. He purchased his buttstock for his airsoft MP5 and was very happy with it's construction and durability. He also told me to get 'one of these' because of it's toughness. So, I ordedered one and he is 100% correct. It's tough as nails. I love mine!