VKTR DI BOLT CARRIER GROUP 5.56 COMPLETE NITRIDED/CHROME

VKTR Industries VK-1 13.7" Upper 5.56x45mm 1:7 M-LOK Rail with BCG and CH, Armor Black - V-4027-3410-004-RP

VKTR Industries Complete Direct-Impingement Bolt Carrier Group, Chrome

VKTR Industries VK-1 5.56x45mm 16" 1:7 M-LOK Rail w/ BCG & CH, Black - V-4027-3410-001-RP

VKTR Industries Combat Match Bolt, Silver - High-Quality Bolt for Superior Performance - V20060701001RP

VKTR Industries Complete Piston Bolt Carrier Group, Chrome - Ultimate Durability and Efficiency - V20090719001RP

VKTR Industries VK-1 5.56x45mm 13.7" 1:7 M-LOK Rail w/ BCG & CH, Flat Dark Earth - V-4027-3410-013-RP

VKTR Industries VK-1 13.7" Upper 5.56x45mm 1:7 M-LOK Rail with BCG and CH, Black - V-4027-3410-012-RP