12" AR Carbine Length Quad Rail, round ports, Free Float - Black
HG-M1031-LR 12" Rifle Length Free Float Rail System guarantees precise fitment with your Mil Spec Standard AR M4 5.56 Nato/.223 upper receiver. All aluminum T6 aircraft 6061 construction with level III hard anodize finish. This accessory rail system is designed for 18"-20" barrel, long rifle configuration. Can be implemented for SBR (short barrel rifle) configuration in conjunction with installation of Micro Gas Block.
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