VKTR DI Bolt Carrier Group – 5.56 Nitride/Chrome

The VKTR DI Bolt Carrier Group is a precision-machined, complete direct-impingement BCG designed for 5.56 AR-platform rifles. It combines a nitride-treated bolt with a thin dense chrome-plated carrier and a patented long-advance cam path to ensure consistent timing and lockup. The package includes Grade 8 gas key screws and an enhanced cam pin intended to reduce headspace variation. Made in the USA and built from 8620 alloy steel, this BCG is a drop-in component for compatible direct-impingement systems.

Key Specifications

• The BCG is configured for 5.56 direct-impingement AR platforms.
• The bolt is finished with nitride treatment and the carrier is thin dense chrome plated.
• The carrier material is 8620 alloy steel.
• The bolt type is Full Auto.
• The listed product length is 7.0500 inches.
• The overall dimension is 1.40 x 0.90 x 7.05.
• The product height is 1.4000 inches.
• The product width is 0.9000 inches.
• Other features include complete direct-impingement compatibility.
• Includes Grade 8 gas key screws and a patented enhanced cam pin for consistent lockup.

Engineered for shooters who demand match-grade fit and dependable function, this VKTR DI bolt carrier group delivers proven materials and thoughtful features in a true drop-in package. Its nitride bolt and chrome carrier offer a balance of wear resistance and corrosion protection while the enhanced cam geometry promotes consistent timing—making it a practical choice for maintenance, upgrades, or precision-oriented builds on 5.56 AR platforms.