Home / Magazines / Handgun Magazines / WARNE M&P 9/40 MAG EXTENSION BLK WARNE M&P 9/40 MAG EXTENSION BLK$39.99 WARNE M&P 9/40 MAG EXTENSION BLK 30 in stock WARNE M&P 9/40 MAG EXTENSION BLK quantity Add to cart SKU: RSR|WRM3311 Category: Handgun Magazines Tag: Online Only Brand: WarneProduct ID: 29816 Related products MOSS MAG BLAZE BLAZE-47 22LR 25RD $37.08 View Details SMITH AND WESSON MAGAZINE M&P40/M&P357 10RD $39.98 View Details MAG CMC PROD RPM 8RD 45ACP STS W/ PD $41.95 View Details SMITH AND WESSON MAGAZINE M&P40/M&P357 15RD $39.98 View Details