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Barrel Nut Alignment Gauge
Lowest Listed Price
$6.39
MSRP
$6.39
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1 Stores
Updated
Aug 26, 2026
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Specifications
Brand
UPC
050806103900
Description
Fits into the end of the bolt carrier key to ensure that the barrel nut is properly aligned during installation of AR-15/M16 barrel. Improper alignment can damage the bolt carrier key and/or the gas tube. Mfg: Brownells SPECS: Steel. .178'''' (4.5mm) diameter x 3'''' (7.6cm) long.
