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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. Daniel Defense AR-15 16" 5.56 1:7 CHF CMV Barrel
    Daniel Defense AR-15 16" 5.56 1:7 CHF CMV Barrel
    $375.99 $348.99 Save $27.00
  2. Faxon ARAK-21 AR-15 5.56 NATO Upper Receiver w/ Picatinny Handguard
    Faxon ARAK-21 AR-15 5.56 NATO Upper Receiver w/ Picatinny Handguard
    Out of stock
    $999.99 $920.99 Save $79.00
  3. Aero Precision VG6 Delta 556 Flash Hider - 1/2x28
    Aero Precision VG6 Delta 556 Flash Hider - 1/2x28
    Coupon Available
    $70.99 $49.99 Save $21.00
  4. 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
    $220.99 $245.99 $209.99 $232.99 Save $13.00
  5. FAB Defense GL-CORE M Survival Mil-Spec / Commercial Stock with Built-In 10-Round Magazine Carrier
    FAB Defense GL-CORE M Survival Mil-Spec / Commercial Stock with Built-In 10-Round Magazine Carrier
    $99.99 $83.99 Save $16.00
  6. Ballistic Advantage Modern Series AR-15 Mid-Length Gas 5.56 1:7 CMV Pencil Barrel
    Ballistic Advantage Modern Series AR-15 Mid-Length Gas 5.56 1:7 CMV Pencil Barrel
    $170.99 $180.99 $84.99 Save $96.00
  7. Ballistic Advantage Premium Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    Ballistic Advantage Premium Series AR-15 .223 Wylde 1:8 SS Barrel w/ OPS 12
    $205.99 $220.99 $117.99 $129.99 Save $91.00
  8. Geissele Automatics Super Duty MOD1 AR-15 13.9" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard
    Geissele Automatics Super Duty MOD1 AR-15 13.9" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard
    Out of stock
    $1,325.99 $1,450.99
  9. MDT Elite Muzzle Brake
    MDT Elite Muzzle Brake
    $129.99 $139.99
  10. Rosco Purebred AR-15 .223 Wylde Stainless Steel Barrel
    Rosco Purebred AR-15 .223 Wylde Stainless Steel Barrel
    $221.99 $240.99 $198.99 $225.99 Save $24.00
  11. Battle Arms Development THUMPER Muzzle Brake
    Battle Arms Development THUMPER Muzzle Brake
    $68.99 $75.99 $61.99 $67.99 Save $8.00
  12. SilencerCo Bravo .223 / 5.56 Front Cap
    SilencerCo Bravo .223 / 5.56 Front Cap
    Out of stock
    $94.99 $79.99 Save $15.00
  13. Fortis Manufacturing Muzzle Brake
    Fortis Manufacturing Muzzle Brake
    $99.99 $94.99 Save $5.00
  14. Rosco Bloodline AR-15 16" 5.56 NATO 1:7 CMV Barrel
    Rosco Bloodline AR-15 16" 5.56 NATO 1:7 CMV Barrel
    $169.99 $186.99 $152.99 $169.99 Save $17.00
  15. FN Button-Rifled AR-15 5.56 NATO 1:7 CMV Barrel
    FN Button-Rifled AR-15 5.56 NATO 1:7 CMV Barrel
    $299.99 $238.99 $279.99 Save $61.00
  16. Battle Arms Development WORKHORSE AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Battle Arms Development WORKHORSE AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    $724.99 $692.99 Save $32.00
  17. Aero Precision VG6 Gamma 556SL Muzzle Brake - 1/2x28
    Aero Precision VG6 Gamma 556SL Muzzle Brake - 1/2x28
    Out of stock
    $90.99 $80.99 Save $10.00
  18. 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
  19. Aero Precision VG6 Epsilon 556SL Muzzle Brake - 1/2x28
    Aero Precision VG6 Epsilon 556SL Muzzle Brake - 1/2x28
    Out of stock
    $90.99 $80.99 Save $10.00