took my rifle to the range. tested out the blackdog 50 round drum and it worked awesome. Also set up my bipod and zeroed my sights in. at 50 yds was hitting a group the size of a quarter. the only down side is that one of the bipod legs got stuck but i was able to get back to normal. I love being able to put almost 500 rounds down range at the fraction of firing .223/.556. I will post some pics of my rifle when Im not working lots of overtime