• The Shot You’ll Never Forget Giveaway - Enter To Win A Barrel From Rifle Barrel Blanks!

    Tell us about the best or most memorable shot you’ve ever taken. Contest ends June 13th and remember: subscribe for a better chance of winning!

    Join contest Subscribe

Which M4 upper manufacturer

kyabrams66

Sergeant
Full Member
Minuteman
Aug 16, 2004
105
0
Richmond, Kentucky
Let's say your getting a complete M4 upper. All are priced the same and configured the same. The manufacturers to choose from are LMT, BCM, Spikes and DD. It's my understanding that all use mil spec parts. Which do you choose?