Building a Precision AR 15 SPR Episode #2 Assembling the Complete Upper

The second of several videos documenting the complete build and load development for an 18“ AR-15 Special Purpose Rifle. This video covers the complete assembly of the upper of this 18“ AR-15 Special Purpose Rifle. Uppers Components: - Mega Ams billet upper receiver (part of an ambidextrous matched set) - Fail Zero bolt carrier group - 18“ White Oak Armament SPR 1:7 twist barrel - Noveske NSR 16.7“ Handguard - Seekins low profile adjustable gas block - Rifle length gas tube - Brownells Thread Adapter 1/2