This polymer replacement part is displayed as part number 172 on KM4 series diagrams and functions to hold the outer barrel tightly to the receiver.
$1.50
This polymer replacement part is displayed as part number 172 on KM4 series diagrams and functions to hold the outer barrel tightly to the receiver.
Weight | 0.1 lbs |
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Dimensions | 0.5 × 0.5 × 0.5 in |