RCA US 556 Upper – Free Shipping!


Out of stock

SKU: US556_upper Category: Tags: ,


This upper assembly includes:

Rocky Canyon Armory .223/5.56 caliber engraved upper receiver with laser engraved dust cover (both sides)

16″ 5.56 caliber stainless steel Socom profile mid gas length barrel in 1:7 twist

12.5″ free float keymod handguard

Stainless steel clamp on low profile gas block

Stainless steel gas tube

Rocky Canyon Armory 2V muzzle brake/compensator


All Rocky Canyon Armory uppers are test fired to ensure proper cycling



There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.