The Brownells M16 6.5 Grendel Complete 9310 Bolt Assembly is built to withstand heavy-duty use in both semi-auto AR-15s and full-auto M16 rifles and features construction and testing that ensures high-quality performance. The Brownells M16 6.5 Grendel Bolt Assembly is constructed entirely from 9310 steel, which is designed to provide the elements needed to perform during rugged duty use.

• Material quality checked with magnetic-particle inspection
• Extractor includes spring and rubber insert
• Type II

The Brownells M16 6.5 Grendel Bolt Assembly includes bolt, gas rings, extractor and ejector installed.