This guide details the installation of Geissele's MK13 and MK14 free-float handguards for AR-15 platforms. The video highlights the simplified barrel nut design, which eliminates the need for timing, and discusses the differences between the MK13's integrated Picatinny sections and the MK14's full M-LOK configuration. Expert insights are provided on material choices and their impact on zero retention for accessories.
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