Report Review/Comparison of VLTOR & CAA, M4 Style Collapsible Stock/Tube in Product Reviews Posted October 15, 2014 I know this is old, so apologies up front. I just wanted to say this review is EXACTLY what I wanted to see for both of these products. I need to replace a commercial size Tapco T6 on one gun and I have a milspec stock I can use for another. I have been looking hard at these products and other options for some time. This sealed the deal for me and I am going to get both products with confidence I didn't have before. Thanks!!