Factory New in box Ruger AR556 MPR 450 bushmaster 18.6" 5 round model 8522 

RUAR-556-MPR450
AR-556 MPR 450BM BLK 18.6" 5RD
8522 | MAGPUL FURNITURE
450 Bushmaster

MANUFACTURER: Ruger
MFG MDL #: 8522
UPC: 736676085224