Internal Parts

CORE Trigger Guards - 4-Hole

H2 Buffer

Magpul ASAP® QD - Ambidextrous Sling Attachment Point QD

Magpul

CORE Trigger Guards - Slotted

Magpul ASAP® - Ambidextrous Sling Attachment Point

Magpul

Carbine Buffer (3.0oz)

Carbine Buffer Spring

CORE® Mil-Spec Buffer Tube

CORE® Lock Plate

CORE® Castle Nut