SIONICS Receiver Extension Nut

$795

To secure lock plate on an adjustable stock for AR15, M4

Category: Product ID: 15747

Description

The SIONICS Mil-Spec AR15 Receiver Extension Nut or Castle Nut, is built from high quality steel and Manganese Phosphate coated.

The Castle Nut simply slides over the Receiver Extension or Buffer Tube, and is screwed on to secure the entire Buffer and Stock system to the Lower Receiver.

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