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.

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1913 UXR Picatinny Adapter

If you want to run a different stock on the UXR, this adapter integrates with the 6 degree angle built into the receiver. The adapter provides a 4-slot 1913 (Picatinny) rail to mount any stock with a 1913 mounting interface. Installation is simple and...

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$69.95

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Piston Head

Bolt Carrier Piston Head

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$33.00

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FRC 2-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 system—compatible with popular suppressors like the BDE...

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$99.95

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MilSpec Safety Selector

Standard MilSpec Safety Selector

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$9.95

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Enhanced Pistol Buffer Tube with Ratchet Lock Castlenut and Endplate

Introducing the PWS Enhanced Pistol Buffer Tube with Ratchet Lock Castle Nut & Endplate—designed for optimal performance and ease of use. Weighing in at just 4.3 oz, this buffer tube is constructed from impact extruded 7075 aluminum, delivering...

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$109.95

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PWS BDE Design - Shirt

Subtle flex. Maximum presence. This BDE shirt keeps it simple with a bold chest print of the BDE insignia... offroad division. Made from a premium cotton blend with a modern cut, it’s perfect for range days, events, or everyday carry vibes. Quiet...

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$29.95

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PWS Mod 2 Bolt Catch

The PWS Mod 2 Bolt catch features an enlarged surface area on the top and bottom portion of the paddle to increase dexterity when manipulating the bolt by locking it to the rear or releasing the bolt forward into battery. The checkering on the top...

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UXR Conversion Kit .223 Wylde, 16" barrel

The UXR Conversion Kit in .223 Wylde with a 16" barrel offers shooters an effortless transition between calibers, thanks to the innovative XChange system. This groundbreaking system simplifies the process by allowing users to swap out the barrel, bolt,...

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$649.95

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1/2x28 Suppressor Thread Mount

This PWS Pistol Suppressor Thread Mount offers 1/2x28 threading for broad compatibility with popular pistol models. The thread interface is 1.125-28" - also known as 'Alpha' and is compatible with the BDE45 and BDE 9MM suppressors.

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$79.95

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Enhanced Steel Body Buffer, Carbine, H4, 6.8 oz.

MOD 2 4140 Steel Body Buffers have a unique fluted design with minimum contact points, allowing debris to clear easily, while the FNC LIFE HD treatment chemically bonds in lubrication for smoother cycling. H4 Weight: 6.8 oz. The heaviest buffer offered...

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$189.95

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MK109 MOD 2-M Upper .300BLK

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The MK1109 MOD 2-M Upper operates on the highly acclaimed PWS Long Stroke Piston System, renowned for its reliability and reduced fouling. The inclusion of a 3-setting Adjustable Gas System allows users to fine-tune gas flow, ensuring optimal performance...

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$1,499.95

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UXR .223 Wylde, 14.5" barrel w/ FRC Comp pin/weld

Introducing the PWS UXR – a groundbreaking advancement in contemporary firearms. A true catalyst for change, the UXR seamlessly marries innovation with adaptability, echoing the wisdom of "beware of the man with only one rifle." Drawing...

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PRC Compensator- 30 (5/8x24)

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The PRC compensator, originally introduced for .30 only, was designed to reduce felt recoil as much as possible. Redesigned in 2018, now in a variety of caliber options, this compensator is very effective in reducing felt recoil, while being California...

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$99.95

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Enhanced Pistol Buffer Tube

Optimized Performance with the Enhanced Pistol Buffer Tube: Elevate your firearm's performance with our meticulously engineered Enhanced Pistol Buffer Tube. Crafted from impact-extruded 7075 aluminum, this buffer tube strikes the perfect balance...

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$89.95

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13.5x1LH Piston

The PWS Suppressor Piston is meticulously crafted with 17-4 stainless steel to guarantee extensive durability and a prolonged life expectancy. Designed with versatility in mind, these pistons can be effortlessly swapped out to accommodate various host...

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FSC Compensator- 47 (14x1 LH)

The patented FSC compensator was designed to be an effective compensator for shooters in all situations. Offering recoil reduction as a primary function, and flash suppression as a secondary function, the FSC is one of the most popular PWS compensators...

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