Set of 3 Black Color Bench Rest Shooting Bags (Empty / Unfilled) This item works with Remington 700 770 597 , SIG 522 556 , FN SCAR , Bushmaster ACR , Hk416 Hk417 , AR15 , Mossberg 715t FLEX-22 , Umarex 416 , Ruger SR22 SR556 N0.1 M77 77/22 10/22 Mini-14 Mini-30 , Winchester 70, Marlin .22 9mm .45 Camp Carbine, Howa 1500, Weatherby Vanguard, S&W M&P 15-22 Rifles by m1surplus;