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Tacfire MAR039 AR15 Milspec Castle Nut
Tacfire

Tacfire MAR039 AR15 Milspec Castle Nut

UPC 00811261021914

Compare prices

1 offer · 1 in stock · sorted by best price
RetailerPriceStockLast checkedDeal
East Valley Tactical$3.92In stock (57)49m agoGo to deal

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Description

TacFire Official AR15 Castle Locking Nut for .223/5.56 Rifle carbine stock used to tighten buffer tube to receiver.

Specs

BrandTacfire
CategoryAccessories · Accessories
UPC00811261021914
Weight0.5 oz
ColorBlack
ModelCastle Nut
MaterialSteel
Firearm_fitAR-15

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D.O.P.E.Price history

Lowest price across connected retailers, from every price check we've recorded.

Current best
$3.92
Low
$3.92
Oct 8, 2026
High
$3.92
Oct 8, 2026
Tracking since
Oct 8, 2026
One price check so far ($3.92 on Oct 8, 2026). The chart fills in as retailers are re-checked.
Recent price checks (1)
DateRetailerPriceStock
Oct 8, 2026, 5:15 PM PTEast Valley Tactical$3.92In stock

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