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PWS 1/2x28 Piston

Best price

$76.95at AR15Discounts

checked Nov 14, 2026

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Compare 3 stores

Fits and works with

Muzzle thread
1/2x28 · Muzzle devices

Specifications

Manufacturer
Primary Weapons Systems

Materials and features

Color
Black
Thread pattern
½ x 28
Material
Steel

Where to buy

StorePriceAvailabilityBuyAdd to build
AR15Discounts Best price 5% off $76.95checked Nov 14, 2026 Check store Buy at AR15Discounts
Dirty Bird $76.95checked Nov 14, 2026 Check store Buy at Dirty Bird
OpticsPlanet $76.95Salechecked Nov 14, 2026 Out of stock Buy at OpticsPlanet

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

Dashed line = out of stock. Tracking since Nov 12, 2026.

Show the prices as a table
StoreLatestLowestHighest
AR15Discounts$76.95$76.95$76.95
Dirty Bird$76.95$76.95$76.95
OpticsPlanet$76.95$76.95$76.95

Since Nov 12, 2026.

About this part

The PWS 1/2x28 Piston is a suppressor from Primary Weapons Systems. It's sold by 3 stores, all at $76.95.

From the manufacturer

Upgrade your firearm's suppressor compatibility with the PWS 1/2x28 Piston, a precision-engineered component designed for seamless integration and superior performance. Crafted by Primary Weapons Systems, this piston ensures your suppressor mounts securely on 1/2x28 threaded barrels, delivering reliable operation whether you're running a rifle or pistol setup. Say goodbye to alignment issues and hello to enhanced accuracy and reduced wear on your gear. Key Features Precision Machined Construction: Made from durable 17-4 stainless steel for exceptional strength and longevity, resisting corrosion and high-pressure environments. 1/2x28 Thread Compatibility: Perfect fit for standard AR-15 and similar platforms, allowing quick attachment of PWS suppressors without adapters. Anodized Black Finish: Provides a sleek, low-profile look while adding an extra layer of protection against wear and environmental factors. Interchangeable Design: Engineered for easy installation and removal, making maintenance and customization a breeze. Technical Specifications Threads: 1/2x28 Material: 17-4 Stainless Steel Finish: Anodized Black Weight: 1.4 oz Muzzle Device Type: Suppressor Piston Cartridge Compatibility: Multi-caliber (optimized for 5.56/.223 and 9mm-class firearms) Why Choose the PWS 1/2x28 Piston? This piston addresses common challenges like inconsistent suppressor alignment and premature component wear. By promoting a secure, full-circumference seal, it minimizes gas blowback for a cleaner shooting experience and preserves the integrity of your suppressor and barrel threads. Ideal for tactical enthusiasts and competitive shooters seeking dependable performance without the hassle of frequent adjustments. Its lightweight design maintains balance, ensuring your firearm handles like a dream even with a suppressor attached. Frequently Asked Questions 1. What firearms is the PWS 1/2x28 Piston compatible with? This piston is designed for any firearm with 1/2x28 barrel threads, including AR-15 rifles, pistols, and other platforms chambered in 5.56/.223 or similar calibers. 2. How do I install the PWS 1/2x28 Piston? Installation is straightforward: simply thread it onto your barrel, ensuring a snug fit. No special tools are required, but always follow manufacturer guidelines for torque specifications to avoid damage. 3. Is this piston suitable for high-volume shooting? Yes, its 17-4 stainless steel construction offers outstanding durability, making it ideal for extended range sessions or tactical applications where reliability is paramount. Enhance your suppressed shooting setup with the PWS 1/2x28 Piston today-precision, durability, and performance in one compact package.

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