Help me choose my 5.56 SBR Upper - DD or Geissele

AR-15 Complete Upper Receivers For Sale - Geissele

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Geissele Super Duty OR Daniel Defense v11 pro?

BKF M5 MOD-0 LR-308 14.5 Pinned to 16 1/10 Twist .308 FFSSR SL-S Rifle

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Radian Weapons

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my shorter 5.56 uppers : r/ar15

Daniel Defense, M4, PDW Pistol, 300 Blackout