Ergo Grips Ar-15 Receiver Extension Castle Nut - Ar-15/M16 M4 Receiver Castle Nut

Grip Ergo Grips UPC 874748005333 MPN 4971-(B)

Ergo Grips Ar-15 Receiver Extension Castle Nut - Ar-15/M16 M4 Receiver Castle Nut

$9.29

at E-Commerce Arms · checked 37 minutes ago

Shipping calculated in cart

6 retailers · $9.29 to $9.99 in stock

This listing: Brownells $9.29, out of stock

Offers

Shipping estimate for one item to the lower 48 from the retailer's published policy or feed; the retailer's cart is final.

Price history

Lowest price across retailers each day.

Lowest seen: $5.75
Typical price: $7.99
Tracked since: Apr 9, 2026

Today's best price is $3.54 above the 213-day low and 16% above typical.