Samson Manufacturing115802866
Samson 040603201 Magazine Extension for S&W M&P Shield 9mm - 6061-T6 Aluminum, Hardcoat Anodized Black, Adds 1 Round for 7 & 8 Round Mags$31.38
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Availability: In Stock
The Samson S&W M&P Shield 9mm Pocket Compensator is a threaded muzzle device built for shooters who want measurable recoil reduction on one of America's most popular compact carry pistols. Machined from 7075 T6 aircraft-grade aluminum and finished in black hardcoat anodize, this compensator threads directly onto any M&P Shield or Shield 2.0 barrel with 1/2x28 threads—no gunsmithing required. If your Shield already sports a threaded barrel, this is a simple screw-on upgrade that works with your factory recoil spring.
What sets the Samson design apart is how it manages recoil and muzzle rise without the bulk or noise signature of a full-size comp. By venting gas upward and to the sides, it helps you track your sights faster between shots, whether you're running irons or a red dot. That matters in defensive drills, competition stages, or when speed and accuracy count. The compensator blends visually with the Shield's slide profile, reading more like a slide extension than an aftermarket add-on.
Built tough enough for duty use, the 7075-T6 billet construction with mil-spec anodizing will handle thousands of rounds without degradation. Samson recommends 124-grain rounds or heavier for reliable cycling; lighter 115-grain loads may function depending on the manufacturer and conditions, but aren't guaranteed. The design is straightforward: point it at any 1/2x28 Shield barrel and thread it on hand-tight or with a wrench—installation takes minutes, and removal is just as quick if you need to swap it out.
| Material | 7075 T6 Aluminum |
| Thread Size | 1/2x28 |
| Finish | Black Hardcoat Anodized |
| Compatibility | S&W M&P Shield 9mm, M&P Shield 2.0 9mm (threaded barrel required) |
| Recoil Spring | Compatible with factory springs |
| Recommended Ammunition | 124gr or heavier; 115gr may function depending on manufacturer and conditions |
Yes, if your Shield has a 1/2x28 threaded barrel. The Pocket Compensator threads directly onto any M&P Shield or Shield 2.0 9mm barrel with that thread pitch. Note that a threaded barrel is required—the compensator itself is not included, and it will not fit standard non-threaded Shield barrels.
No. The Samson Pocket Compensator is designed to function with your factory recoil spring across a range of ammunition weights and velocities.
Samson recommends 124-grain rounds or heavier for reliable operation. Some 115-grain loads may cycle, but performance depends on the specific manufacturer and environmental conditions, so heavier loads are the safer choice.
No gunsmithing needed. Simply thread the compensator onto your barrel by hand or with a wrench until snug. Installation takes minutes, and you can remove it just as quickly if needed.
SKU: 115676175 • Width: 5in • Height: 1.5in • Depth: 5.75in • Weight: 0.13oz
Availability: In Stock
The Samson S&W M&P Shield 9mm Pocket Compensator is a threaded muzzle device built for shooters who want measurable recoil reduction on one of America's most popular compact carry pistols. Machined from 7075 T6 aircraft-grade aluminum and finished in black hardcoat anodize, this compensator threads directly onto any M&P Shield or Shield 2.0 barrel with 1/2x28 threads—no gunsmithing required. If your Shield already sports a threaded barrel, this is a simple screw-on upgrade that works with your factory recoil spring.
What sets the Samson design apart is how it manages recoil and muzzle rise without the bulk or noise signature of a full-size comp. By venting gas upward and to the sides, it helps you track your sights faster between shots, whether you're running irons or a red dot. That matters in defensive drills, competition stages, or when speed and accuracy count. The compensator blends visually with the Shield's slide profile, reading more like a slide extension than an aftermarket add-on.
Built tough enough for duty use, the 7075-T6 billet construction with mil-spec anodizing will handle thousands of rounds without degradation. Samson recommends 124-grain rounds or heavier for reliable cycling; lighter 115-grain loads may function depending on the manufacturer and conditions, but aren't guaranteed. The design is straightforward: point it at any 1/2x28 Shield barrel and thread it on hand-tight or with a wrench—installation takes minutes, and removal is just as quick if you need to swap it out.
| Material | 7075 T6 Aluminum |
| Thread Size | 1/2x28 |
| Finish | Black Hardcoat Anodized |
| Compatibility | S&W M&P Shield 9mm, M&P Shield 2.0 9mm (threaded barrel required) |
| Recoil Spring | Compatible with factory springs |
| Recommended Ammunition | 124gr or heavier; 115gr may function depending on manufacturer and conditions |
Yes, if your Shield has a 1/2x28 threaded barrel. The Pocket Compensator threads directly onto any M&P Shield or Shield 2.0 9mm barrel with that thread pitch. Note that a threaded barrel is required—the compensator itself is not included, and it will not fit standard non-threaded Shield barrels.
No. The Samson Pocket Compensator is designed to function with your factory recoil spring across a range of ammunition weights and velocities.
Samson recommends 124-grain rounds or heavier for reliable operation. Some 115-grain loads may cycle, but performance depends on the specific manufacturer and environmental conditions, so heavier loads are the safer choice.
No gunsmithing needed. Simply thread the compensator onto your barrel by hand or with a wrench until snug. Installation takes minutes, and you can remove it just as quickly if needed.
SKU: 115676175 • Width: 5in • Height: 1.5in • Depth: 5.75in • Weight: 0.13oz