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    Fortis Manufacturing
  2. Material
    Aluminum
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  56. Fortis Manufacturing 28 items
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  144. Yankee Hill Machine Co 25 items
Color
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  6. Red 1 item
Platform
  1. AR-10 3 items
  2. AR-15 23 items
Caliber
  1. 223 Remington 1 item
  2. 5.56mm NATO 1 item
Attachment Type
  1. KeyMod 1 item
  2. MLOK 7 items
Handguard Length
  1. 6.7" 3 items
  2. 9.6" 4 items
  3. 10.5" 2 items
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  5. 12.4" 1 item
  6. 12.9" 2 items
  7. 13" 1 item
  8. 13.8" 2 items
  9. 14.4" 1 item
  10. 15.3" 4 items
  11. 15.75" 1 item
  12. 16" 1 item
Handguard Style
  1. Free Float 7 items
Options
  1. W/O BCG & CH 1 item
Material
  1. 416R Stainless Steel 2 items
  2. Aluminum 28 items
  3. Carbon Fiber / Aluminum 6 items
  4. Stainless Steel 3 items
  5. Steel 5 items
Inventory
  1. In Stock 22 items
  2. Out of Stock 6 items
Customer Rating
  1. 5
    1 item
  2. 3
    & up     2 items

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. Fortis Manufacturing Billet AR-15 Dust Cover
    Fortis Manufacturing Billet AR-15 Dust Cover
    $29.99 $34.99
  2. Fortis Manufacturing Shift Vertical M-LOK Grip
    Fortis Manufacturing Shift Vertical M-LOK Grip
    $84.99 $56.99 $80.99 Save $28.00
  3. Fortis Manufacturing AR-15 Super Lean Sport FIFTY Ambidextrous Safety Selector
    Fortis Manufacturing AR-15 Super Lean Sport FIFTY Ambidextrous Safety Selector
    $69.99 $37.99 $66.99 Save $32.00
  4. Fortis Manufacturing Night Rail M-LOK Handguard
    Fortis Manufacturing Night Rail M-LOK Handguard
    $226.99 $289.99 $215.99 $275.99 Save $14.00
  5. Fortis Manufacturing Night Rail KeyMod Handguard
    Fortis Manufacturing Night Rail KeyMod Handguard
    $226.99 $242.99 $215.99 $230.99 Save $12.00
  6. Fortis Manufacturing AR-15 K2 Locking Lever Castle Nut with Lightweight Enhanced End Plate
    Fortis Manufacturing AR-15 K2 Locking Lever Castle Nut with Lightweight Enhanced End Plate
    Out of stock
    $56.99 $54.99 Save $2.00
  7. Fortis Manufacturing Switch Mod 2 M-LOK Handguard
    Fortis Manufacturing Switch Mod 2 M-LOK Handguard
    $252.99 $284.99 $240.99 $270.99 Save $14.00
  8. Fortis Manufacturing Clutch AR-15 Right-Handed Charging Handle
    Fortis Manufacturing Clutch AR-15 Right-Handed Charging Handle
    Out of stock
    $47.99 $45.99 Save $2.00
  9. Fortis Manufacturing REV II M-LOK Handguard
    Fortis Manufacturing REV II M-LOK Handguard
    $157.99 $247.99 $118.99 $235.99 Save $43.00
  10. Fortis Manufacturing Switch Mod 1 M-LOK Handguard
    Fortis Manufacturing Switch Mod 1 M-LOK Handguard
    $248.99 $284.99 $236.99 $270.99 Save $14.00
  11. Fortis Manufacturing AR-15 Super Sport FIFTY Ambidextrous Safety Selector
    Fortis Manufacturing AR-15 Super Sport FIFTY Ambidextrous Safety Selector
    $49.99 $88.99 $37.99 $66.99 Save $22.00
  13. Fortis Manufacturing AR-10 Switch MOD 2 M-LOK Handguard
    Fortis Manufacturing AR-10 Switch MOD 2 M-LOK Handguard
    $305.99 $290.99 Save $15.00
  14. Fortis Manufacturing Hammer AR-15 Charging Handle
    Fortis Manufacturing Hammer AR-15 Charging Handle
    $87.99 $70.99 Save $17.00
  15. Fortis Manufacturing Camber M-LOK Handguard
    Fortis Manufacturing Camber M-LOK Handguard
    $242.99 $278.99 $230.99 $265.99 Save $13.00
  16. Fortis Manufacturing Hammer AR-10 Charging Handle
    Fortis Manufacturing Hammer AR-10 Charging Handle
    Out of stock
    $64.99 $61.99 Save $3.00
  17. Fortis Manufacturing AR-15 / AR-10 Magazine Catch
    Fortis Manufacturing AR-15 / AR-10 Magazine Catch
    $18.99
  18. Fortis Manufacturing M-LOK QD Sling Mount
    Fortis Manufacturing M-LOK QD Sling Mount
    $22.99
  19. Fortis Manufacturing Magazine Catch / Release Button
    Fortis Manufacturing Magazine Catch / Release Button
    $27.99
  22. Fortis Manufacturing AR-15 K1 Tapered Castle Nut with Lightweight Enhanced End Plate
    Fortis Manufacturing AR-15 K1 Tapered Castle Nut with Lightweight Enhanced End Plate
    Out of stock
    $44.99 $48.99 $42.99 $44.99 Save $4.00
  24. Fortis Manufacturing Shift Short Angled M-LOK Grip
    Fortis Manufacturing Shift Short Angled M-LOK Grip
    Out of stock
    $74.99 $42.99 Save $32.00
  27. Fortis Manufacturing Shift M-LOK Handstop
    Fortis Manufacturing Shift M-LOK Handstop
    Out of stock
    $47.99 $45.99 Save $2.00
  28. Fortis Manufacturing Billet AR-15 Stripped Upper Receiver
    Fortis Manufacturing Billet AR-15 Stripped Upper Receiver
    Out of stock
    $199.99 $189.99 Save $10.00
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