GC_UPC DPMS DR15 M4 5.56 MLOK 16 30R MAP DP51655120178 show more like this Free on Firearms Acute Firearms GC_UPC DPMS DR15 M4 5.56 MLOK 16 30R $554.00 DP51655120178 show more like this 14.95 TheGunDock.com GC_UPC DPMS DR15 M4 5.56 MLOK 16 30R MAP DP51655120178 show more like this Free shipping over $400 (Excludes Ammo) Gman Sport