13" Super Modular Rail MK1


The Geissele Super Modular Rail MK1 is a modular, free-floating rail system designed to fit all mil-spec AR-15 rifles. Rather than having four sharp M1913 rails, the MK1 features one continuous M1913 rail along the top, while the 9, 3, and 6 o'clock positions feature a smooth rounded mounting surface for detachable accessory rails that provides for an extremely comfortable, ergonomic grip. No longer will you have wasted rail space with two short and one long accessory rails provided to allow for mounting accessories where the shooter desires. Machined from aircraft grade aluminum, the MK1 is designed to meet the most vigorous of military and civilian applications while still remaining lightweight and rigid. 13" Black Finish.

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