Maxim Defense pdx cqb 300 blackout 5.5 inch barrel. Comes with extra buffer spring and extra buffer weight. Maxim Defense gen 6 telescopic stock. One 20 round mag came factory with lower. Only fired 10 times. I paid over $2600. Will sell for $2000. Excepting trades all 5.56 cal. DD mk18 Mk12 or PDW. BCM mk2 or recce like priced. If you have something to trade of equil value, or with cash let me know. Just ask. If the post is up, its still available. Low ballers be gone Tyvm. 86325one2359 text