Killer Innovations has introduced Icon Defense’s new 556 ambidextrous upper and lower receivers, made from solid billet 7075 aluminum. These precision-machined receivers offer enhanced strength, rigidity, and accuracy, featuring tight tolerances and thermally fit barrel extensions. Finished with Type 3 Hard Coat Anodizing, they are ideal for high-performance builds.
Killer Innovations state “Killer Innovations is proud to launch Icon Defense’s 556 Ambidextrous Uppers and Lowers! Machined from solid billet 7075 aluminum, these receivers will kick your build into high gear!
Each of Icon Defense’s 556 Ambi receivers is crafted from a block of aluminum, ensuring extra rigidity and strength. Precision machining results in extremely tight tolerances and barrel extensions that are thermally fit for superior accuracy. Finished with Type 3 Hard Coat Anodizing in Black, these receivers are the backbone of a wicked build.”
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