20% off
Product 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.
Barrel Nut Alignment Gauge
$6.39
$7.99
20% Discount
You save $1.60
In Stock
at Brownells.com
Price checked 5 days ago
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Product Details
Category
Barrel Tools
Brand
Brownells
