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Primary Weapons

On the hunt for Primary Weapons? Brownells.com has the best selection and pricing around. Here you'll find 38 Primary Weapons, the best selection online, ranging in price from $4.99 to $1,869.96. Our excellent selection of gun parts and gunsmith tools, along with our unwavering commitment to the best prices and customer service, has made us the number one online retailer in the industry. We're so convinced you'll be happy with all our Primary Weapons that we offer a 100% customer satisfaction guarantee. If you're not completely satisfied with your purchase let us know so we can make it right. So, browse our wide selection of Primary Weapons - we know you'll find what you're looking for. When you're ready to place an order, use our easy checkout or give us a call. Brownells.com is dedicated to helping you find the gun parts and gunsmith tools you need, so don't hesitate to drop us a line if you have any questions.

Showing 1-12 of 38
  1. Primary Weapons 100-022-661 Enhanced Gen 2 Buffer Tube Ratchet Lock Nut End Plate Mil-Spec
    Item#:
    100-022-661  
    Our Price:
    $99.95
    Description:
    Impact extruded from 7075, the PWS EBT is optimized for strength and rigidity while creating a solid platform for the new lightened design. Anodized in Mil spec type 3 to exceed standards in hardness and corrosion protection. The new Ratchet-Lock Design eliminates the need for staking the castle nut and gives a rock solid lock up while being able to remove it easily if needed in the future. Additional lightening cuts reducing weight in conjunction with the new attachment design net nearly a 1oz weight reduction from already efficient mil spec buffer tube design. The anti-tilt lip enhances function and reliability, giving longer life to piston driven weapons by allowing th Mfg: Primary Weapons
  2. Primary Weapons 100-005-378 Ar-15  .223 Shim Set
    Item#:
    100-005-378  
    Our Price:
    $4.99
    Description:
    Hardened steel shims ensure precise fit and correct alignment of flash suppressors, muzzle brakes, and compensators. Large (thick) shim allows 90° of rotation and can be used as a spacer for barrels not having a relief cut behind the threads. Medium shims add approximately 45° of rotation. Small shims used with large and medium shims provide smaller degrees of rotation for finely-tuned, critical alignment. Mfg: Primary Weapons SPECS: Steel. Sold in 10 paks (1 small, 1 large, 8 medium). .223 - .748" O.D. Fits muzzles threaded ½"-28 tpi.
  3. Primary Weapons 100-005-379 Ar-308 .308 Shim Kit
    Item#:
    100-005-379  
    Our Price:
    $4.99
    Description:
    Hardened steel shims ensure precise fit and correct alignment of flash suppressors, muzzle brakes, and compensators. Large (thick) shim allows 90° of rotation and can be used as a spacer for barrels not having a relief cut behind the threads. Medium shims add approximately 45° of rotation. Small shims used with large and medium shims provide smaller degrees of rotation for finely-tuned, critical alignment. Mfg: Primary Weapons
  4. Primary Weapons 100-013-960 Keymod Bipod Adaptor
    Item#:
    100-013-960  
    Our Price:
    $24.99
    Description:
    This KeyMod Bipod Adapter is a lightweight and cost effective option for mounting your Harris style bipod to your KeyMod handguard. Designed for use with any standard KeyMod compatible platform and supplied with fastening hardware. Mfg: Primary Weapons
  5. Primary Weapons 100-009-311 Ak-47  J-Tac47 Compensator 30 Caliber
    Item#:
    100-009-311  
    Our Price:
    $59.99
    Description:
    FEATURES: Recoil compensator for AK-47 style rifles  14x1 left hand threads Includes polymer washer to mate solidly against the front sight tower Washer is heat resistant up to 900 degrees Length: 1.95" Diameter: .875" Weight: 2.4 oz. Matte black finish For use on weapons with a bullet diameter equal to or less than .30 cal or 7.62mmBENEFITS: Recoil compensator that not only lessens the recoil of your AK-47, but does so without a significant increase in blast noise directed toward the shooter or individuals next to the shooter Included washer and notched rear end ensure proper indexing of ports Matte black fin Mfg: Primary Weapons
  6. Primary Weapons 100-031-925 Ar-15 Ratchet Castle Nut Qd End Plate Set
    Item#:
    100-031-925  
    Our Price:
    $25.99
    Description:
    The Primary Weapons Systems Ratchet Lock Castle Nut End Plate set works with mil-spec or commercial buffer tubes and is an alternative to staking. A quick upgrade to any rifle build, the Ratchet Lock Castle Nut End Plate features a QD mount and easy installation with any buffer tube. Mfg: Primary Weapons
  7. Primary Weapons 100-022-660 Ak-47 Fsc47 Mod 2 Muzzle Brake 7.62x39
    Item#:
    100-022-660  
    Our Price:
    $94.95
    Description:
    In addition to offering superior compensation characteristics, PWS FSC Series provides enough flash suppression to keep the flash out of your optics and line of sight. Designed for both competitive and tactical use, the FSC Series allows for superior muzzle stabilization and aids the shooter in faster follow-up shots and accuracy. The unique port design of the FSC Series yields muzzle control that meets or exceeds the performance of the best muzzle brakes on the market without the teeth-rattling overpressure indicative of other brakes and compensators. Caliber – .30 Length – 2.10” Diameter – .865” Thread Pitch – 14×1 Mfg: Primary Weapons
  8. Primary Weapons 100-009-788 Precision Rifle Compensator 30 Caliber
    Item#:
    100-009-788  
    Our Price:
    $99.99
    Description:
    Features: The PRC (Precision Rifle Compensator) is specifically designed for Precision Rifles For rifles with 5/8-24 threads  For use on weapons that have a bullet diameter equal to or less than .338” or 8.58mm  Includes PWS Shim Set for installation Steel construction with a matte black parkerized finishBenefits: Reduces felt recoil while allowing the shooter to maintain an accurate sight picture Included shim set makes additional mounting devices such as peel washers or crush washers unnecessary Mfg: Primary Weapons SPECS: Thread Pitch – 5/8-24 RH. Length – 3 inches. Diameter - .980”. Weight – 4.9 oz.
  9. Primary Weapons 100-020-883 Ar-15 Fsc556 Mod 2 Compensator 22 Caliber
    Item#:
    100-020-883  
    Our Price:
    $82.99
    Description:
    In addition to offering superior compensation characteristics, PWS FSC Series provides enough flash suppression to keep the flash out of your optics and line of sight. Designed for both competitive and tactical use, the FSC Series allows for superior muzzle stabilization and aids the shooter in faster follow-up shots and accuracy. The unique port design of the FSC Series yields muzzle control that meets or exceeds the performance of the best muzzle brakes on the market without the teeth-rattling overpressure indicative of other brakes and compensators. The FSC556 model is a suppressor-compatible mount for select models of the Gemtech HALO. Caliber – .223 Leng Mfg: Primary Weapons
  10. Primary Weapons 100-031-926 Ar-15 Enhanced Buffers Carbine Black
    Item#:
    100-031-926  
    Our Price:
    $33.99
    Description:
    The Primary Weapons Systems 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. These Enhanced buffers are available in H2, H3, and H4 weights. H2 weighs 4.4oz H3 weighs 5.1oz H4 weighs 6.8oz The H4 buffer is the heaviest buffer offered by PWS, and is intended for suppressed use. Mfg: Primary Weapons
  11. Primary Weapons 100-031-930 Ar 308 Enhanced Buffer Carbine Black
    Item#:
    100-031-930  
    Our Price:
    $42.99
    Description:
    The PWS Enhanced 4140 Steel Body H2 .308 Short Buffer has a unique fluted design with minimum contact points so that debris can clear away easily.  Surface finish profile is enhanced with a chemically bonded lubrication coating treatment that allows for smoother cycling. Weighs 4.4 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   Mfg: Primary Weapons
  12. Primary Weapons 100-004-609 Ar-15 Cqb556 Compensator 22 Caliber
    Item#:
    100-004-609  
    Our Price:
    $133.99
    Description:
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