Gents,
I need your help. What is a super accurate 16" complete Upper?
Am I correct in assuming BCM KD4 Spec Upper Group w/ MCMR-13
BCM SS410 16" Mid Length Upper Receiver Group w/ BCM MCMR-13 Handguard 1/7.7 Twist Ionbond.
Or is there something better out there? Thank You all in advance for your sage advice.
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