The AR Stock Stop is the quickest, easiest, and most affordable way to convert your collapsible AR-15 stock into a fixed stock while keeping the look of your existing buffer tube and stock. Designed for simple installation, the Strike Industries AR Stock Stop fills all but one receiver extension hole, locking your adjustable stock in place for compliance without permanent modification. Compact, durable, and effective, this AR-15 stock stop offers a straightforward solution for shooters who need to meet fixed-stock regulations while maintaining their rifle’s original appearance and ergonomics.