ar-15 upper receiver

Rock River Arms completed .223 Wylde upper with BCG. Bead blasted stainless barrel. Clean and in excellent condition. I'm tossing in the scope and bipod (it's a Harris clone). I've been shooting carbine matches and haven't used this monster in a couple of years now... time to let it go to...

Picked up an upper and decided I wanted to do a 300 Blackout instead. Unfired PSA upper. 1:7 twist, 18" barrel. 15" Midwest Industries MLok handguard. Looking for a pistol upper first. If not a rifle upper will work. I have a BCG and charging handle if your upper has one. Value is $270...

Ejection port cover kit for M5 (.308) Upper Receivers. Includes: Ejection Port Cover Door (DPMS 308 style) Ejection Port Cover Rod (DPMS 308 style) Ejection Port Cover Spring VISIT US: http://www.e-arms.com/aero-precision-ar-308-ejection-port-cover-kit/

Parts needed for pistol build. I have a AR 9mm block type lower and a side charging upper. Just need part to complete the build. AR-15 9MM barrel, 7 to 9" Hand-guard/rail prefer M-Lok. No quad rails. 7" BCG for 9mm AR, needs to work with glock mags Lower parts, want something like Strike...

Removed from my Smith and Wesson M&P15 Sport after a couple of hundred rounds. Asking $100.

.223 Wylde 20" bull barrel upper with charge handle. NEW. Never mounted to a lower. Ended up with a RockRiver bull a week later and never used this one. Asking $300

I'm getting close to ordering components to build an AR-15. What is the most important component to build around? I'm thinking the barrel is item number one. Any opinions? (Loaded question, I know there are going to be a lot of opinions). Thanks for sharing your thoughts.

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Hot off the UPS Truck! Seekins Precision NOXs Billet Complete 5.56 Upper!..:machine: Click for Specs This is one of the nicest uppers I've seen at this price point. On sale $749.95 plus free 2-day air, no sales tax! www.shooterswarehouse.com

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