B Size 3/8″ Aluminum Spacer Cap (9mm)


This is a 3/8” countersunk aluminum top cap.

Cap Specs:
OD = 1.063” (27mm)
ID = 0.413” (10.5mm)
Height = 0.314” (8mm)
Stack Height in spacers = 0.079” (2mm)
Anodized green
These are designed to nest inside the thin wall spacers. (screws not included)


22 in stock




Additional information

Weight .01 lbs
Dimensions 1.3 × .25 × 1.3 in


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Gun Cleaning Supplies