Tsd is the same thing under a different rebrander, and without leapers incredible customer service. TSDs warranty is only good for manufacturer defects whereas leapers/utg will sell you new or replacement parts at a very cheap cost, and if they don't stock the part you need they will take the part off of one of the warehouse models and sell it. I needed a new outer barrel because I jacked up the old one and they found me one and got it to me for only $20 including shipping. Keep in mind that was a large aluminum barrel and shipping was like $12 so they sold it for around $8. So I'd take utg over tsd any day.