Primary Weapons Systems is a federally-licensed firearms manufacturer in Boise, Idaho (est. 2007). They produce AR-15 (MK1) and AR-10 (MK2) rifles, uppers, muzzle devices, suppressors, handguards, and buffer systems using in-house CNC machining.

What is the difference between the MK1 MOD 1-M and MOD 2-M?

MOD 1-M has a KeyMod (PicMod) handguard. MOD 2-M has M-LOK and a fully ambidextrous lower. Both use the PWS long-stroke piston with a 3-setting adjustable gas regulator.

How do I identify my PWS model?

MOD 0: quad-rail (pre-mid-2015). MOD 1: KeyMod with forward assist. MOD 1-P: updated KeyMod (2016). MOD 2-M: M-LOK with ambi controls. Model and serial are on the lower receiver.

What calibers does PWS offer?

MK1: .223 Wylde, .300 BLK, 7.62x39. MK2: .308 Win / 7.62 NATO, 6.5 Creedmoor. PCC: 9mm.

What does the PWS long-stroke piston system do?

It cycles the bolt carrier via a full-length operating rod and gas piston, keeping carbon and heat out of the receiver. The 3-setting gas regulator supports standard, suppressed, and adverse-condition use.

What buffer weight should I use with a PWS upper?

H2 buffers are recommended. A standard carbine buffer can cause over-gassing. Use the H2 Enhanced Buffer (4.4 oz) for standard use or H2 Suppressor Weight Buffer (4.5 oz) for suppressed fire.

What is the difference between PWS buffer tubes?

Enhanced Buffer Tube: 6-position for stocks or braces. Pistol Buffer Tube: fixed-length for AR pistols. Modified Enhanced Buffer Tube: Law Tactical folding adapter compatible. All include the Ratchet Lock Castle Nut and Endplate Set.

A 1/2x28 flash suppressing compensator for .223/5.56 that reduces both muzzle flash and rise. BATFE has confirmed it is not a suppressor.

Does PWS make muzzle devices for AK and HK rifles?

Yes. FSC47 MOD 2 and JTAC47 are 14x1 LH for AK-47. FSC HK is 15x1 for HK91/G3. CQB74 is 24x1.5mm for .308 HK platforms.

What suppressors does PWS make?

BDE 22 (.22 LR), BDE 556 (5.56), BDE 9 (9mm), BDE 762 (.308/7.62), BDE 338 (.338/8.6), BDE 45 (.45). All modular and serviceable. NFA - Form 4 and $200 tax stamp required.

What is the T3 Summit?

A straight-pull biathlon toggle bolt action for Ruger 10/22-compatible platforms in .22 LR. Available as a complete rifle or bare action with P3 extended magazine release.

Does PWS offer LE or military discounts?

Yes. Use the contact form at primaryweapons.com/contact and select LE/MIL Discount as the subject.

How do I find an authorized PWS dealer?

Use the dealer locator at primaryweapons.com/locator/partnership/dealerlist. To become a dealer visit primaryweapons.com/locator/partnership/index.

Where are PWS product manuals?

Available at primaryweapons.com/pws-manuals. Contact customer service to request a hard copy.

How do I submit a warranty or RMA?

Submit at primaryweapons.com/warrantyrequest. Warranty info at primaryweapons.com/pws-warranty.

What is the expected barrel life of a PWS rifle?

.223 Wylde: 20,000-30,000 rounds. .300 BLK: 15,000-20,000. 7.62x39: 10,000-15,000. Varies with suppressor use, maintenance, and ammo.

PWS

BDE PUB-XL Mount

The PWS PUB XL is built for HUB-compatible suppressor users who need a reliable mounting solution for three-port muzzle devices and other extended-length setups. Designed to work...

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$95.95

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BDE-PUB-A Mount

The PWS PUB A is designed for ALPHA-compatible pistol suppressors, such as the BDE 9, BDE 45, and other 1.125-28 threaded suppressors. Optimized for use on Pistol Caliber Carbines (PCCs) and...

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$95.95

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FRC 3-port 223 Compensator Flat - (1/2-28)

Elevate your shooting experience with the cutting-edge PWS 3-Port FRC square shoulder compensator, specifically designed to serve as a suppressor host for the Rearden Atlas suppressor mounting...

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$99.95

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Carbine length buffer spring for MK1 buffer tube

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Carbine length buffer spring

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$49.95

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FRC 3-port 308 Compensator Tapered - (5/8-24)

Elevate your shooting experience with the cutting-edge PWS FRC compensator, specifically designed for tapered rifle barrels and serving as a suppressor host for the Rearden Atlas suppressor mounting...

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$99.95

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Enhanced Steel Body Buffer, Carbine, H2 (.308 Short), 4.1 oz.

Weight- 4.1 oz. Used for .308 applications and ships with all MK2 series complete lowers and rifles. Shortened to work with AR-10 platforms using standard buffer tubes

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$119.95

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MK118 MOD 2 Rifle 6MM ARC

The MK118 MOD 2-M is built for long-range precision and versatility, chambered in the highly efficient 6MM ARC. Offering flat trajectories, reduced recoil, and exceptional energy retention, this...

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$2,309.95

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Enhanced A5 Buffer Tube with Enhanced A5 Buffer and Spring

Enhanced A5 Buffer Tube The PWS Enhanced A5 Buffer Tube is constructed from impact extruded 7075 aluminum, delivering exceptional strength while maintaining a mil-spec tube diameter for compatibility...

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$169.99

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FRC 3-port 223 Compensator Tapered - (1/2-28)

Elevate your shooting experience with the cutting-edge PWS FRC compensator, specifically designed for tapered rifle barrels and serving as a suppressor host for the Rearden Atlas suppressor mounting...

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$99.95

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MK111 MOD 1-M Upper .223 Wylde

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The MK111 MOD 1-M Upper is equipped with the renowned PWS PWS long-stroke piston system, maintaining the reliability that PWS owners have come to trust. This line features a free-float MLOK...

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$1,299.95

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BDE762 Mat

Keep your workspace clean while showing off your favorite suppressor. This durable, oil-resistant cleaning mat features the BDE 762 blueprint design and logo, giving your bench a tactical upgrade...

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$15.99

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PWS Logo Banner

If you bring a PWS rifle into battle, then you deserve to ride under our banner. This 2 x 3 ft vinyl banner is durable and UV resistant. Corner grommets facilitate multiple dynamic suspension...

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$29.99

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MK1 MOD 2-M PicLok Replacement Rail- 114

The MK1 MOD 2-M Replacement rail is for owners of PWS MK1 MOD 2 owners to replace their current PicMod rail with PicLok. Includes mounting hardware and instructions. Please note, these handguards...

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$174.95

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UXR Conversion Kit .308 Win, 16" barrel

The UXR Conversion Kit in .308 Win with a 16" barrel offers shooters an effortless transition between calibers, thanks to the innovative XChange system. This groundbreaking system simplifies...

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$649.95

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Ratchet Lock Castle Nut and Endplate Set

Introducing the PWS Ratchet Lock Castle Nut & Endplate Set—a secure, reliable solution for your firearm setup. Designed for ease of installation and rock-solid performance, this...

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$49.95

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JTAC 47 Compensator

The JTAC47 was the first muzzle device created by PWS and remains one of our most popular to this day. Specifically made for the AK47, the JTAC47 reduces felt recoil without a significant increase in...

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$57.95

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