Castle Nuts

Castle Nuts
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AR-15 16" 5.56 NATO 1:9 w/ Magpul MLOK OD GREEN Handguard

Every Upper Build is Test Fired Before Shipment To Guarantee Performance. We do not guarantee c..

$237.31 $213.58

Steel Castle Nut - Black

This is our standard AR-15 carbine buffer tube/receiver extension castle nut in matte black. It fits..

$4.99 $3.99

Steel Castle Nut - Tan

This is our standard AR-15 carbine buffer tube/receiver extension castle nut in matte tan. It fits b..

$7.99 $6.99