40 S&W SD40 VE SMITH & WESSON SD40VE TWO 14 RD FACTORY MAGS 223400 022188149333 4 INCH BARREL Smith &. Pictured with S&W Chiefs Special. . . This is the suggested way to measure the barrel length of either a revolver or a semi-auto. Don&39;t think he&39;s referring to Texas but rather the. Please contact our customer support representatives for the most up to date information at 1-800-331-0852 Ext. . 9 to 21. 45 ACP 21 Smith & Wesson Governor 8 Smith & Wesson HR 32 Mag 6 Shot None Smith & Wesson Ladies S&W 5 shot, model 49 1 78 15 Smith & Wesson M&P. 38 Revolver 26 Smith & Wesson Bodyguard. The rod is then marked at the furthermost end of the barrel or permanently attached muzzle device, withdrawn from the <b>barrel<b>, <b>and<b>. Brand Smith & Wesson. 125 barrel offers another major benefit over the more typical 1. Each revolver was sighted with the purchasers choice of ammo and at the distance of his choice.