Includes: - Billet Aluminum Upper Receiver of Your Choice - Lightweight 15" M-Lok Handguard of Your Choice - .750" Carbine Gas Block and Tube of Your Choice - Flash Hider of Your Choice - 16" Govt...

Includes: - Billet Aluminum Upper Receiver of Your Choice - Lightweight 13" M-Lok Handguard of Your Choice - .750" Mid Length Gas Block and Tube of Your Choice - Flash Hider of Your Choice - 5.56...

Includes: - Billet Aluminum Upper Receiver of Your Choice - Lightweight 17" M-Lok Handguard of Your Choice - .750" Rifle Length Gas Block and Tube of Your Choice - Flash Hider of Your Choice - 18"...