Advanced Technology A5101020 AR-15 Castle Nut Mil-Spec Steel Black
- UPC
- 758152900067
- Manufacturer
- Advanced Technology
$6.48
$6.65
Best offer
Kentucky Gun Co $6.30
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Cheaper Offer Available
Kentucky Gun Co lists a matched offer at $6.30, $0.18 (3%) less than this listing's $6.48.
Price Intelligence
Short history
Against lowest
Matches lowest seen
Typical price
Near typical ($6.48)
From tracked high
$0.17 lower (3%)
Data depth
1 day, 2 price changes
Enough to spot a drop, not yet a trend.
Tracked for 1 day. Last checked: 2026-10-21. Recorded 2 price changes. The average price is $6.48. The price has ranged from $6.48 to $6.65.
Lowest
$6.48
Highest
$6.65
Average
$6.48
Tracked
1 day
Price Changes
2
Last checked
2026-10-21
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Live Offers
7 retailers list ADV TECH AR15 CASTLE NUT; 7 in stock, in-stock prices run $6.30 to $9.49.
Best Price History Across Offers
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Insights
Price Fluctuation
Seen at both $6.48 and $6.65 on 2026-10-21, so the price can move within a day.