B&T Air APC9 GBB Replacement Bolt Carrier Retaining Pin (Part: D4)

Replacement bolt carrier retaining pin for the B&T Air APC9 GBB platform.

This is the D4 component shown in the APC9 GBB exploded parts manual. The retaining pin secures the bolt carrier assembly in its proper position during operation.

Compatibility

• B&T Air APC9 GBB
• Manual Reference: D4

Package Contents

• 1 × Bolt Carrier Retaining Pin (D4)

Important

This listing includes the retaining pin only. No bolt carrier, springs, or other components are included. Please refer to the APC9 GBB exploded parts manual to confirm compatibility before ordering.