Is $7.99 a good price for Ergo M4 Receiver Castle Nut, Black?

At $7.99, this is 14% above the average price of $7.02. You may want to wait for a better deal. The average price is $7.02. The lowest we've tracked is $6.99. Tracked for 166 days. Last price change: 2026-06-25. Recorded 1 price change.

What is the lowest price for Ergo M4 Receiver Castle Nut, Black?

The lowest price we've tracked for Ergo M4 Receiver Castle Nut, Black is $6.99. The highest was $7.99. The current price of $7.99 is 14% above the average price of $7.02.

Ergo M4 Receiver Castle Nut, Black

UPC: 874748005333
MPN: 4971-(B)
SKU: 51655210244
Manufacturer: Ergo

$7.99 $6.99

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Consider Waiting

At $7.99, this is 14% above the average price of $7.02. You may want to wait for a better deal.

Price Intelligence

Building confidence

Against lowest $1.00 above low (14%)

Typical price 14% above typical

Data depth 166 days, 1 price change

Useful signal, but more history will sharpen the read.

Tracked for 166 days. Last price change: 2026-06-25. Recorded 1 price change. The average price is $7.02. The price has ranged from $6.99 to $7.99. The current price of $7.99 is 14% above average.

Live Offers

2 retailers list AR-15/M16 M4 RECEIVER CASTLE NUT; 2 in stock, in-stock prices run $7.99 to $10.04.

Ergo M4 Receiver Castle Nut, Black

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Ergo M4 Receiver Castle Nut, Black

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