0 1 MR556A1 Upper Receiver Kit
| Caliber | Length | Width | Height | Barrel Length |
|---|---|---|---|---|
| 5.56 x 45 mm | 25.94 in. | 3.07 in. | 2.68 in. | 16.5 in. |
0 MR556A1
| Caliber | Stock Extended Length | Stock Retracted Length | Width | Height | Barrel Length |
|---|---|---|---|---|---|
| 5.56 x 45 mm | 37.68 in | 33.90 in | 3.07 in | 9.45 in | 16.5 in |
0 1 MR762A1 Long Rifle Package II
| Caliber | Stock Extended Length | Stock Retracted Length | Width | Height | Barrel Length |
|---|---|---|---|---|---|
| 7.62 x 51 mm | 40.50 in | 36.50 in. | 3.23 in. | 8.39 in. | 16.50 in. |
0 MR762A1
| Caliber | Stock Extended Length | Stock Retracted Length | Width | Height | Barrel Length |
|---|---|---|---|---|---|
| 7.62 x 51 mm | 39.10 in. | 35.94 in. | 3.23 in. | 8.39 in. | 16.50 in. |