Knight's Armament SR-15/SR-16 E3.2 Bolt Kit

The Knight’s Armament SR-15/SR-16 E3.2 Bolt Kit is a proprietary bolt assembly engineered specifically for use in SR-15 rifles and KAC E3 barrel extensions. This AR-pattern bolt incorporates design updates such as dual ejectors, rounded bolt lugs, and a reduced-size cam pin to support long-term durability and consistent function across a range of operating conditions, including suppressed setups and short-barreled configurations. The enhanced extractor system features a forward-shifted pivot point and dual springs, paired with an O-ring to help maintain consistent engagement with the case rim during cycling. This kit includes the complete bolt assembly along with essential components for installation and maintenance.

Specifications:

• Proprietary E3.2 bolt design for SR-15 and SR-16 platforms
• Compatible with KAC E3 barrel extensions only
• Dual ejectors
• Enlarged bolt face
• Rounded bolt lugs
• Reduced-size cam pin
• Enhanced extractor with dual springs and O-ring

Package Contents:

• SR-15 E3.2 Bolt
• Firing Pin
• Cam Pin
• Spare Extractor Springs
• Spare Extractor O-Ring