Smith & Wesson M&P 9 Shield 9mm, First-Generation, Manual Thumb Safety, 3.125 in Barrel, Black Melonite, SKU 180021, 4 Magazines
This first-generation M&P 9 Shield (SKU 180021) is a slim, micro-size 9mm with a 3.125-inch stainless, Melonite-treated barrel and a black Melonite slide. It features a manual thumb safety, a left-side magazine release, and steel 3-dot sights with a drift-adjustable rear. Made in the USA and capable of firing with the magazine removed, this example is in excellent overall condition and comes with four factory single-stack magazines.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: The pistol shows minimal evidence of prior handling or use. The bore is bright with a reflective interior.
What’s Included
- Smith & Wesson factory cardboard box with factory label (SKU 180021)
- 3x 8-round S&W factory 9mm Shield single-stack steel magazines (mix of extended finger-rest and flush baseplates)
- 1x 7-round S&W factory 9mm Shield single-stack steel magazine (flush baseplate)
This M&P 9 Shield is the first-generation configuration with a manual thumb safety, designated by SKU 180021. It retains the series’ slim, single-stack profile and includes factory magazines with numbered witness holes to 7 and 8 rounds.
The barrel is stainless steel with a Melonite treatment, paired to a black Melonite slide. The slide carries rear serrations in a fish-scale pattern for confident manipulation, and the frame is polymer with a molded texture for secure purchase.
It is striker-fired with a left-side magazine release and includes both a manual thumb safety and a trigger safety. Per the factory configuration noted, it is capable of firing with the magazine removed (no magazine disconnect).
Sight setup is a steel 3-dot system with a drift-adjustable rear notch and a steel front post with a white dot. Additional factory details include the serial number plate with a 2D code. Capacity is 8+1 with the included 8-round magazines; a 7-round magazine is also included.




