Скачать или смотреть AR-15 16" SPR Upper Build 6 ARC (4/5): Installing Gas Block and Handguard

AR-15 6 ARC SPR Upper Build With 16” 1:7 Mid-length Blackhole Weaponry Barrel

Amazon list for tools/supplies mentioned on the channel:
3QMZQX5CVKWR2

Upper build tools video (1/2):
   • AR-15 Upper Build Tools and Tips (1/2) #ar...  
Upper build tools video (2/2):
   • AR-15 Upper Build Tools - Items I Forgot T...  

Link to AR-15 upper build tools post:
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Link to AR-15 upper build steps post:
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Link to threadlockers and assembly grease post:
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16” Blackhole Weaponry 6 ARC build notes post:
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Barrel inspection notes:
Weight: 36.5oz
Gas system length: Mid-length
Gas port size: 0.086”
Gas block journal: .7505”
Barrel Extension: 0.9985”
Headspace gauge check (on fully stripped Radian bolt):
Go 1.1901”: closes
Field 1.201”: doesn’t close

#arbuild #gasgun #upperreceiver #upperbuild #AR15 #GunMaintenance #RifleCare #FirearmReliability