Primary Weapons Systems

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Primary Weapon Systems 16.1″ MK116 MOD 2-M Complete Upper – .223 Wylde

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Original price was: $1,349.95.Current price is: $1,299.95.
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Primary Weapon Systems 11.85″ MK111 PRO Complete Upper – .223 Wylde

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Original price was: $824.95.Current price is: $809.95.

The MK111 PRO features the tried and true PWS long stroke piston system that PWS owners have grown to know and love.

  • Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator
  • Material: 6061 extrusion
  • Finish: Anodized
  • Caliber: .223 Wylde
  • Barrel Length: 11.85”
  • Gas System Length: Carbine
  • Barrel Twist Rate: 1:8
  • Muzzle Device: A2 Flash Hider
  • Upper Receiver: PWS Proprietary Piston Upper
  • Handguard: PWS M-Lok™ 11” Handguard (1.7” width, 2.25” height)
  • Charging Handle: Radian Raptor™ Ambidextrous Charging Handle
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Primary Weapons Systems 16.1″ MK116 Pro Complete Upper – .223 Wylde

Out of stock

$828.88

The PWS MK116 PRO is perfect for shooters looking for a cost-effective piston system firearm without sacrificing the high-quality standards PWS has been known for over a decade.

  • 33Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator.
  • Caliber: .223 Wylde
  • Barrel Length: 16.1”
  • Gas System Length: Mid-Length
  • Barrel Twist Rate: 1:8
  • Muzzle Device: A2 Flash Hider
  • Upper Receiver: PWS Proprietary Piston Upper.
  • Material: 6061 Aluminum.
  • Finish: Anodized.
  • Handguard: PWS M-Lok™ 15” Handguard (1.7” width, 2.25” height)
  • Charging Handle: Radian Raptor™ Ambidextrous Charging Handle
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Primary Weapon Systems 7.75″ MK107 Mod 1-M Complete Upper – .223 Wylde

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Original price was: $1,099.95.Current price is: $1,029.49.
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Primary Weapon Systems 11.85″ MK111 Mod 1-M Complete Upper – .223 Wylde

Out of stock

Original price was: $1,099.95.Current price is: $1,029.49.

The revamped MK111 MOD 1-M line features the tried and true PWS long stroke piston system that PWS owners have grown to know and love.

  • System: PWS Long Stroke Piston System, 3 settings Adjustable Gas Regulator
  • Caliber: .223 Wylde
  • Barrel Length: 11.85”
  • Gas System Length: Carbine
  • Barrel Twist Rate: 1:8
  • Muzzle Device: PWS Triad 556
  • Upper Receiver: PWS Proprietary Piston Upper
  • Material: T6 7075 Forged, Anodized
  • Handguard: PWS M-Lok™ 11.05” Handguard (1.7” width, 2.25” height)
  • Charging Handle: Radian Raptor™ Ambidextrous Charging Handle
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Primary Weapons Systems Carbine Buffer – H2 (4.4oz)

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Original price was: $49.95.Current price is: $44.80.

PWS’s 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.

  • H2 Weight: 4.4 oz.
  • The H2 buffer is a standard weight.
  • Material: 4140 Steel Body.
  • Platform: AR-15
  • Made in the USA.
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Primary Weapons Systems CQB Compensator – 5.56 (1/2X28)

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Original price was: $139.95.Current price is: $125.95.

The CQB Compensator is designed to redirect sound forward whereas others redirect to the side.

  • Designed for close-quarters combat.
  • Improves overall weapon control.
  • Caliber: .223/5.56.
  • Thread Pitch: 1/2×28.
  • Material: 4140 Steel, FNC LIFE HD treated.
  • Length: 2.5″.
  • Diameter: .1.375″.
  • Weight: 7.6 oz.
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Primary Weapons Systems Carbine Buffer – H3 (5.5oz)

Out of stock

Original price was: $59.95.Current price is: $54.61.

PWS’s 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.

  • H3 Weight: 5.1 oz.
  • Nearly an ounce heavier, the PWS H3 Buffer is an intermediate option.
  • Material: 4140 Steel Body.
  • Platform: AR-15
  • Made in the USA.
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Primary Weapons Systems Enhanced Buffer Tube w/ Ratchet Lock Castlenut and Endplate

Out of stock

$111.17

Enhanced Buffer Tube, Racket Lock Castlenut and Endplate assembly by PWS

  • Weight- 4.3 oz.
  • Mil-Spec tube diameter
  • Impact Extruded 7075 Aluminum
  • Extended Carrier Support Lip For Smoother Cycling 6 Positions for Stock
  • Lightening Cuts Reducing Weight By Approx. 1 Oz. Off Mil-Spec
  • Unique Fluted Tube Design For Debris Clearing
  • Engraved Position Numbers
  • Enlarged Drain Holes
  • MIL-A-8625 F, Type III, Class 2 Anodized
  • Includes PWS Ratchet Lock Castle Nut & End Plate Set
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Primary Weapons Systems Ratchet Lock Castle Nut & End Plate – MOD 2

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$51.91
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Primary Weapons Systems FCS Compensator – 5.56 or 7.62

In stock

Original price was: $99.95.Current price is: $84.96.

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 on the market. The unique port designs effectively keep flash out of optics and line of sight, while also reducing the distracting overpressure that is felt with many compensators.

FSC 5.56 Specs:

  • Thread Pitch: 1/2×28
  • Caliber: 5.56 Nato, .223 Rem
  • Material: 4140 Steel, FNC LIFE HD treated
  • Length: 2.3″
  • Diameter: .863″
  • Weight: 2.3 oz.

FSC 7.62 Specs:

  • Thread Pitch: 5/8×24
  • Caliber: .308, 7.62 Nato, 6.5 Creedmoor, .300BLK, 7.62×39
  • Material: 4140 Steel, FNC LIFE HD treated
  • Length: 2.8″
  • Diameter: .900″
  • Weight: 3.1 oz.
Select options This product has multiple variants. The options may be chosen on the product page
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Primary Weapons Systems PRC Compensator – 30 Cal (5/8×24)

Out of stock

Original price was: $99.95.Current price is: $84.96.

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 compliant. The PRC design produces a low ground signature and overpressure to the shooter It also gives ultimate control for seeing impacts through your optic and stabilizes follow up shots.

  • Thread Pitch 5/8×24
  • Length: 3.0″
  • Diameter: .900″
  • Weight: 5.0 oz.
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