XS Sights Launches +5 Extension for S&W M&P 2.0 and Walther PDP
xs sights has added a magazine extension to its lineup, and before you write this off as just another aftermarket add-on, it’s worth understanding the approach here. Most extensions at this price point either require a spring swap to function reliably with additional capacity, or they do not function reliably at all. XS specifically engineered
