In May 2008, Smith & Wesson introduced their first AR-15 rifle in new caliber, the model M&P 15R, a standard AR platform rifle chambered for the Russian 5.45 × 39mm cartridge, however the model was soon abandoned due to poor sales.
Smith & Wesson introduced their first AR-15 rifle in new caliber a standard AR platform rifle chambered for the Russian 5.45 × 39mm cartridge. This was in May 2008. Their first AR-15 rifle in new caliber was the model M&P 15R. The model was soon abandoned due to poor sales. This was in May 2008.