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Gun Parts

Whether you’re looking for a quality trigger upgrade for your Glock® pistol or AR-style carbine, an ergonomic pistol grip for your sporting rifle, drop-in magwell upgrade, or an ergonomic pistol brace, we at GunMag Warehouse offer a wide selection of gun parts and upgrades from top-selling brands like SB Tactical®, Magpul®, Tyrant Designs®, Sig Sauer®, and more. Shop our full collection of gun parts today!

  1. Diamondback AR-15 5.56 NATO CMV Barrel
    Diamondback AR-15 5.56 NATO CMV Barrel
    $103.99 $92.99 Save $11.00
  2. Ballistic Advantage Premium Series AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    Ballistic Advantage Premium Series AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    $200.99 $300.99 $190.99 $285.99 Save $15.00
  3. Ballistic Advantage Performance Series AR-15 5.56 1:7 CMV Barrel w/ .750 Lo Pro Gas Block
    Ballistic Advantage Performance Series AR-15 5.56 1:7 CMV Barrel w/ .750 Lo Pro Gas Block
    $205.99 $235.99 $194.99 $223.99 Save $12.00
  4. Yankee Hill Machine Co Slant Muzzle Brake / Compensator
    Yankee Hill Machine Co Slant Muzzle Brake / Compensator
    $84.99 $89.99 $74.99 $75.99 Save $15.00
  5. Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    Ballistic Advantage Premium Black Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    $205.99 $220.99 $194.99 $209.99 Save $11.00
  6. Surefire Warden Direct Thread Muzzle Device
    Surefire Warden Direct Thread Muzzle Device
    Coupon Available
    $190.99 $171.99 Save $19.00
  7. Battle Arms Development WORKHORSE Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Battle Arms Development WORKHORSE Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    $692.99 $659.99 Save $33.00
  8. Fortis Manufacturing Rapid Engagement Device Muzzle Brake
    Fortis Manufacturing Rapid Engagement Device Muzzle Brake
    $78.99 $94.99 $52.99 $61.99 Save $33.00
  9. PROOF Research AR-15 .223 Wylde Stainless Steel Barrel
    PROOF Research AR-15 .223 Wylde Stainless Steel Barrel
    $629.99 $749.99 $464.99 $649.99 Save $220.00
  10. Patriot Ordnance Factory Triple Port Muzzle Brake
    Patriot Ordnance Factory Triple Port Muzzle Brake
    $60.99 $62.99 $56.99 $57.99 Save $5.00
  11. Rosco Bloodline AR-15 5.56 NATO CMV Barrel
    Rosco Bloodline AR-15 5.56 NATO CMV Barrel
    $149.99 $186.99 $134.99 $169.99 Save $18.00
  12. Ballistic Advantage Performance Series AR-15 5.56 1:7 CMV Barrel w/ .625 Lo Pro Gas Block
    Ballistic Advantage Performance Series AR-15 5.56 1:7 CMV Barrel w/ .625 Lo Pro Gas Block
    $245.99 $232.99 Save $13.00
  13. FightLite MCR Dual-Feed AR-15 16.25" Assembled Upper Receiver
    FightLite MCR Dual-Feed AR-15 16.25" Assembled Upper Receiver
    $6,399.99 $5,899.99 Save $500.00
  14. Faxon Firearms Duty Series AR-15 5.56 NATO 1:8 4150 CMV Barrel
    Faxon Firearms Duty Series AR-15 5.56 NATO 1:8 4150 CMV Barrel
    $169.99 $191.99 $156.99 $176.99 Save $15.00
  15. Rosco Husky AR-15 5.56 NATO 1:7 CMV CL Barrel
    Rosco Husky AR-15 5.56 NATO 1:7 CMV CL Barrel
    $182.99 $206.99 $163.99 $185.99 Save $21.00
  16. Griffin Armament Taper Mount Minimalist Stealth Flash Hider
    Griffin Armament Taper Mount Minimalist Stealth Flash Hider
    $84.99 $80.99 Save $4.00
  17. TacFire AR-15 Slick Side Stripped Upper Receiver
    TacFire AR-15 Slick Side Stripped Upper Receiver
    Out of stock
    $99.99 $64.99 Save $35.00
  18. HuxWrx Safety Company Blastphemy Blast Deflector w/ QD 556 1/2x28 Flash Hider Combo
    HuxWrx Safety Company Blastphemy Blast Deflector w/ QD 556 1/2x28 Flash Hider Combo
    Out of stock
    $275.99
  19. Surefire SOCOM 3 Prong Flash Hider
    Surefire SOCOM 3 Prong Flash Hider
    Out of stock
    $169.99 $152.99 Save $17.00
  20. SilencerCo ASR .223/5.56 Muzzle Brake - 1/2x28
    SilencerCo ASR .223/5.56 Muzzle Brake - 1/2x28
    Out of stock
    $94.99 $79.99 Save $15.00
  21. Spike's Tactical A2 5.56 Flash Hider - 1/2x28
    Spike's Tactical A2 5.56 Flash Hider - 1/2x28
    Out of stock
    $9.99 $8.99 Save $1.00
  22. Lantac USA Dragon Muzzle Brake / Dead Air Wolfman KeyMicro Suppressor Mount
    Lantac USA Dragon Muzzle Brake / Dead Air Wolfman KeyMicro Suppressor Mount
    Out of stock
    $142.99 $163.99 $72.99 $147.99 Save $70.00