Wolff Extra Power Recoil Spring 17LB for S&W 3904/5904 Series 9mm 47417 3008446 1/2-inch thick buffing wheel delivers

1/2-inch thick buffing wheel delivers professional-quality polishing for gunsmiths

Smith & Wesson SD9

5946 (3rd Generation 9mm semi-automatic)

Cylinder stop replacement requires side plate removal and disassembly of the lock work

Wolff Extra Power Recoil Spring 17LB for S&W 3904/5904 Series 9mm 47417 3008446 1/2-inch thick buffing wheel deliversWolff Extra Power Recoil Spring 17LB Premium extra power recoil spring designed specifically for Smith & Wesson 3rd Generation 9mm pistols. This 17 pound spring provides increased reliability with full power loads and ensures positive cycling with factory ammunition. Compatible Models: Smith & Wesson Model 39, 439, 539, 639 Smith & Wesson Model 3904, 3906, 3944, 3946 Smith & Wesson Model 59, 459, 559, 659 Smith & Wesson Model 5903, 5904, 5906 Smith &