The Aero Precision PRO 5.56 Bolt Carrier Group is built from the ground up to meet the demands of the most extreme conditions. Each component and manufacturing process of the PRO 5.56 Bolt Carrier Group was deliberately chosen to increase the reliable service life of the bolt carrier group and its components.
Takedown Pin Detent (4)
Takedown Pin Spring (4)
Bolt Catch Roll Pin (2)
Trigger/Hammer Pin (2)
Safety Selector Spring (2)
Safety Selector Detent (2)
Buffer Retainer (2)
Buffer Retainer Spring (2)
Stock Notice: This item is NOT marked "In Stock". We will contact you within 12-24 hours by email if your order is on backorder with our distributor and will take longer than the 5-7 business days it takes us to ship out. Please do not order if you need this item shipped immediately.