Refresh the springs in your Unrivaled buffer. We recommend changing springs around 5,000-10,000 rounds. This is common on handgun recoil springs to maintain consistent feel. Includes a rubber O-Ring for models that are equipped with them. Includes a secondary spring for models that take them.
Buffer Rebuild kit
$17.00
| Weight | .25 lbs |
|---|---|
| Dimensions | .25 × .25 × .25 in |
| Buffer Model | Bearing Delay (UDB-MABD/UDB-MABD-HD), Competition (UBD-M4-C/UDBG2-M4-C), Duty (UDB-M4-D/UDBG2-M4-PD/UDBG2-M4-HD |

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