After I went off to college I built this so my little brother and I could hangout on my days that I’m back, I’m now looking to sell this to buy a GBBR to correlate to my actual firearm. Only play a few games with it, been in my closet for more of the time I have had it. I did have to change the spring to fit my local field FPS limit (no more than 350fps) All the items built on are on the last slide. Willing to trade for GBBR!!