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Advanced Technology AR-15 Steel Black Castle Nut (A5101020) by Advanced Technology International -

Price history at GritrSports

Recorded at GritrSports since Oct 9, 2026: low $8.66 (Oct 9, 2026), high $20.18 (Oct 11, 2026). Last checked Oct 31, 2026.

Product Description

Fits: AR-15 / AR-10; Steel Castle Nut; Works with Commercial, Military and Hybrid Buffer Tubes; Virtually Indestructible; Manufactured in the USA; Limited Lifetime Warranty

Advanced Technology AR-15 Steel Black Castle Nut (A5101020)

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$8.66

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Price checked 4 days ago

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Product Details

Brand Advanced Technology International

Condition new

Advanced Technology International

Price history at GritrSports

Recorded at GritrSports since Oct 9, 2026: low $8.66 (Oct 9, 2026), high $20.18 (Oct 11, 2026). Last checked Oct 31, 2026.

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