This content critically examines the PSA Gen 4 AR9, specifically highlighting the limitation imposed by its 4-inch barrel and subsequent handguard design. The instructor, demonstrating experienced firearm knowledge, explains how the handguard's length obstructs the mounting of standard M-LOK accessories and even flash hiders, forcing the use of specific, compact accessories like the Inforce weapon light. While acknowledging the firearm's overall appeal, the core takeaway is the practical challenge of accessory customization due to this design choice.
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