Rock River Arms RRA AR15 16" Heavy Barrel Upper 5.56 USD-RRA-AR15-UP

Rock River Arms RRA premium AR15 complete upper receiver group 16 inch heavy barrel profile chrome lined 1:9 twist A2 flash hider low profile gas block free float M4 handguard forged 7075 T6 carrier aluminum receivers 5.56 NATO /.223 Rem mil-spec quality optics ready reliable accurate varmint duty build your own AR premium American made RRA excellence, ROCK RIVER ARMS RRA AR15 UPPER 16B HB 5.56 USD-RRA-AR15-UP. RRA AR15 Upper—heavy hitter.

USD-RRA-AR15-UP: RRA AR15 16" HB Upper 5.56

Upper ultimate. Barrel boss.

Upper Specs

• Caliber: 5.56 NATO / .223 Rem.
• Barrel: 16" Heavy Chrome Lined 1:9.
• Gas: Carbine Low Profile.
• Handguard: Free Float M4.
• Muzzle: A2 Flash Hider.

RRA Upper Features

• Receiver: Forged Flat Top.
• BCG: MPI Full Auto HP.
• Accuracy: 1 MOA Guaranteed.
• Finish: Hard Coat Anodized.
• Use: Custom Build Precision.

Rock River Arms

"USD-RRA-AR15-UP RRA—AR upper apex!" – Builder Boss

RRA Upper: "16 HB might, 5.56 flight. Apex!" Builder boss.

SEO RRA AR15 Upper

Rock River Arms AR15 16" Heavy Barrel Upper 5.56 USD-RRA-AR15-UP ROCK RIVER ARMS RRA AR15 UPPER 16B HB 5.56 USD-RRA-AR15-UP RRA AR15 upper receiver group 16 inch heavy barrel chrome lined 5.56 NATO free float A2 mil-spec custom build varmint duty, RRA USD-RRA-AR15-UP. RRA AR15 16" HB Upper 5.56.

RRA AR15 Upper vs Budget Upper

Upper ultimate RRA USD-RRA-AR15-UP—RRA supremacy!

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