In Stock
Type
parts
Last Seen
May 20, 2026
Ar-15 Receiver Extension Castle Nut - Ar-15/M16 M4 Receiver Castle Nut
Sold byBrownells•Posted Apr 28, 2026
$9.29
Price and stock data refresh continuously from Brownells.
Deal Summary
- Currently in stock.
- Category: parts
- SKU: 573000064
- Brand: Ergo Grips
Price History
Deal Details
Falcon Industries/ERGO brings this receiver extension castle nut for M4 style receiver extension tubes. Mfg: Ergo Grips