40 S&W Handgun Magazines

Smith & Wesson 199340000 OEM Stainless Detachable 7rd for 40 S&W S&W M&P Shield

Wolff Magazine Spring for HK USP 9mm 15-Round, 40 S&W 12-Round and 45 ACP 8-Round 10% Extra Power

Wolff Magazine Spring for Sig Sauer P226, P228, P229 10-Round Magazine 10% Extra Power

Wolff Magazine Spring for S&W 4013, 4014, 4053, 4054 10% Extra Power

Wolff Magazine Spring for S&W 1006, 1026, 1076, 1086 10% Extra Power

Wolff Magazine Spring for Beretta 92 Full Size and Compacts 10% Extra Power 3PK

Warne Magazine Extension 3113 for Glock 17/22, 9mm Luger/+5, .40 S&W/+4, Hardcoat Anodized FDE, 656813107650.

Tyrant Design H&K VP9/VP40/P30 Magazine Extension

Tyrant Design Sig Sauer P320 Magazine Extension

Tyrant Designs Magwell For Glock Gen 3-4 w/ Gold Screw

Tyrant Designs +4/5 Magazine Extension for Glock 17/19X/22/34/35/45

Tyrant CNC Glock G17/G19x/G22/G34/G35/G45 Magazine Extension - Black 36mm x 28.5mm x 38mm

Toni System Magwell for CZ Scorpion Evo3 S1 Series Orange

Taylor Freelance Extended Magazine Base Pad for S&W M&P +5 9mm, +4 40 S&W Aluminum Black with Spring

Taurus PT-100 40 S&W 11-Round Magazine

Taurus PT24/7 40SW 15-Round Factory Magazine

Taran Tactical Innovations M&P Firepower Base Pad Kit

Swenson Magazine for Glock 22, 23, 27 10-Round 40 S&W

Swenson Magazine for Glock 23, 27 13-Round 40 S&W

Swenson Magazine for Glock 22, 23, 27 15-Round 40 S&W

Steyr M40 A1 Magazine 40 S&W 12-Round Steel Blue

Springfield XD 40SW Full-Size 12-Round Police Trade-in Magazine

Springfield Armory XD Grey 40 S&W Handgun Magazine - 10 Rounds

Springer Precision M&P 9/40 EZ 140mm extended capacity base pads