| receiver → MadeOf → steel tube | 0.48 | |
| receiver → MadeOf → polymer | 0.36 | |
| receiver → MadeOf → aluminum | 0.35 | |
| receiver → MadeOf → american walnut | 0.28 | |
| receiver → MadeOf → fiber-glass reinforced polymer | 0.28 | |
| receiver → MadeOf → metal | 0.28 | |
| receiver → MadeOf → pistol grip with trigger unit | 0.28 | |
| receiver → MadeOf → stamped sheet steel | 0.28 |