Spikes STSB920 Upper/Lower Set AR-15 9mm compatible with Glock Mags
Product Features & Specifications Spikes STSB920 Upper/Lower Set AR-15 9mm compatible with Glock Mags Spike's Tactical Glock Magazine 9mm lower with pockets machined in many areas to reduce weight. The lower receiver design was engineered to shave the weight and increase strength exactly where w
