Sons of Liberty Gun Works engineered their 5.56 NATO Full Auto Bolt Carrier Group with the understanding that this component functions as the gun’s core. Like lungs processing air, the gas port feeds the system—but the bolt carrier group is what pumps it forward. Every mechanical action in the AR platform revolves around this assembly: locking into battery, unlocking after firing, extracting spent casings, and ejecting them downrange all originate from the bolt carrier group’s operation.
AR Bolt Carrier Groups
Sons of Liberty 5.56 NATO Bolt Carrier Group
$179.00
Sons of Liberty Gun Works 5.56 NATO Full Auto Bolt Carrier Group engineered as the core component that controls every mechanical action in your AR platform—locking, unlocking, extracting, and ejecting. This is the assembly that pumps your rifle’s system forward.
Availability: In stock
Sons of Liberty Gun Works
| Weight | 1.5 lbs |
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| Dimensions | 8 × 3 × 3 in |
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