Maxim Defense
MS-9 9mm Suppressor with 1/2-28 Piston
NFA Item - No Returns
- Item Number: MXM-48217
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Class 3 / NFA Items are not eligible for returns. To learn more about purchasing Class 3 / NFA Items, click here.
Special Promotion
Buy this firearm from Sportsman's Outdoor Superstore and receive this additional item free.
Buy a select silencer and get a Warrior Legionary rimfire suppressor with purchase.
Offer valid on orders placed between Sep 8, 2026 and Oct 1, 2026 while supplies last. Free items are void where prohibited by law. No substitutions. Click here for more details
This promotion cannot be combined with any other combo deal or offer that includes the same product(s). Sportsman's Outdoor Superstore reserves the right to change or modify this promotion at any time. Offer only valid on items shipped and sold by Sportsman's Outdoor Superstore at the listed price. It does not apply to the same item sold by other sellers labelled as a "Marketplace Deal". If any of the products or content related to this offer are returned, your refund will equal the amount you paid for the product or content, less the full retail value of any product or content related to this offer that is not returned, subject to applicable refund policies.
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Product Description
The Maxim Defense MS-9 is a modular 9mm suppressor engineered for reliability, serviceability, and high performance in both pistol and rifle/pistol caliber carbine (PCC) applications. Built from a 7075-T6 aluminum tube with a 17-4 stainless steel baffle stack, the MS-9 offers short and long configurations, ships with a direct-thread mount for PCC installs, and includes a Dead Air P-Series booster for reliable pistol operation. It’s fully serviceable with common tools and is rated for full-auto use.
Product Details
- Product: Maxim Defense MS-9 Suppressor
- Type: Modular 9mm suppressor (short & long configurations)
- Caliber: 9mm
- Length (with mount): 5.375" (Short), 7.5" (Long)
- Weight (with mount): 8.7 oz (Short), 10.5 oz (Long)
- Diameter: 1.375"
- Mount: Ships with 1/2x28 piston (direct thread for PCC installations)
- Materials: 17-4 stainless steel core / baffles; 7075-T6 aluminum tube and components
- Finish: Cerakote® and hard coat anodizing
- Features: Dead Air P-Series booster included, rifle/pistol rated, modular (standard & long), fully serviceable, disassembles with common tools
- Firing Schedule: Full-auto rated
- Performance: Reduces sound and flash, decreases recoil, and helps preserve accuracy (actual reduction varies with configuration, ammo, barrel length, and conditions)
- What’s in the Box: Maxim Defense MS-9 Suppressor, Owner’s Manual
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