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  1. Handguard Length
    15"
  2. Handguard Style
    Free Float
  3. Upper Type
    Rifle
Brand
  1. Aero Precision 9 items
  2. Aim Sports Inc 2 items
  3. Battle Arms Development 4 items
  4. CMMG 1 item
  5. Daniel Defense 2 items
  6. Geissele Automatics 2 items
  7. Luth-AR 2 items
  8. Noveske 1 item
  9. Odin Works 1 item
  10. TacFire Inc. 3 items
Color
  1. Armor Black 1 item
  2. Black 22 items
  3. Black Nitride 2 items
  4. Desert Dirt Color 2 items
  5. Flat Dark Earth 3 items
  6. Olive Drab Green 1 item
Thread Pattern
  1. 1/2x28 20 items
  2. 1/2x36 1 item
  3. 5/8x24 6 items
Platform
  1. AR-10 6 items
  2. AR-15 21 items
  3. AR-9 1 item
Caliber
  1. 223 Remington 15 items
  2. 308 Winchester 5 items
  3. 5.56mm NATO 17 items
  4. 6.5 Creedmoor 1 item
  5. 6.5 Grendel 1 item
  6. 9mm Luger 2 items
Attachment Type
  1. KeyMod 2 items
  2. MLOK 24 items
  3. Picatinny 1 item
Handguard Length
  1. 9" 1 item
  2. 10" 3 items
  3. 12" 1 item
  4. 12.25" 2 items
  5. 13.5" 2 items
  6. 15" 27 items
  7. 15.25" 2 items
  8. 17.5" 1 item
Handguard Style
  1. Free Float 27 items
Upper Type
  1. Pistol 2 items
  2. Rifle 27 items
Options
  1. W/ BCG & CH 18 items
  2. W/O BCG & CH 9 items
Barrel Length
  1. 10.5" 3 items
  2. 16" 23 items
  3. 16.1" 1 item
  4. 18" 2 items
  5. 20" 4 items
  6. 24" 1 item
Material
  1. 416R Stainless Steel 3 items
  2. 4150 Chrome Moly Vanadium 3 items
  3. Aluminum 13 items
  4. Chrome Moly Venadium Steel 2 items
Inventory
  1. In Stock 9 items
  2. Out of Stock 18 items
Customer Rating
  1. 5
    1 item
  2. 4
    & 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. TacFire AR-10 .308 / 7.62x51mm Upper Receiver
    TacFire AR-10 .308 / 7.62x51mm Upper Receiver
    $499.99 $354.99 $369.99 Save $145.00
  3. TacFire AR-10 .308 / 7.62x51 Unassembled Rifle Kit w/ Lower Parts Kit
    TacFire AR-10 .308 / 7.62x51 Unassembled Rifle Kit w/ Lower Parts Kit
    $699.99 $419.99 Save $280.00
  4. 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
    Out of stock
    $692.99 $659.99 Save $33.00
  6. Battle Arms Development Authority Elite AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Battle Arms Development Authority Elite AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    $865.99 $824.99 Save $41.00
  7. 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
  8. Battle Arms Development Authority Elite Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    Battle Arms Development Authority Elite Mod C AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    $865.99 $824.99 Save $41.00
  11. Aero Precision M5 AR-10 16" SS .308 Upper Receiver w/ ATLAS S-ONE 15" M-LOK Handguard
    Aero Precision M5 AR-10 16" SS .308 Upper Receiver w/ ATLAS S-ONE 15" M-LOK Handguard
    Out of stock
    $780.99 $820.99 $699.99 $739.99 Save $81.00
  15. Geissele Automatics Super Duty MOD1 AR-15 14.5" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard
    Geissele Automatics Super Duty MOD1 AR-15 14.5" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard
    Out of stock
    $1,325.99 $1,450.99
  20. Geissele Automatics Super Duty MOD1 AR-15 16" 5.56 NATO Upper Receiver with 15" SMR MK16 M-LOK Handguard
    Geissele Automatics Super Duty MOD1 AR-15 16" 5.56 NATO Upper Receiver with 15" SMR MK16 M-LOK Handguard
    Out of stock
    $1,325.99 $1,450.99
  21. Aero Precision EPC-9 AR-15 16" 9mm CMV Upper Receiver w/ ATLAS S-ONE 15" M-LOK Handguard
    Aero Precision EPC-9 AR-15 16" 9mm CMV Upper Receiver w/ ATLAS S-ONE 15" M-LOK Handguard
    Out of stock
    $590.99 $625.99 $529.99 $564.99 Save $61.00
  22. Aero Precision M4E1 AR-15 16" CMV 5.56 Upper Receiver w/ 15" ATLAS S-ONE M-LOK Handguard
    Aero Precision M4E1 AR-15 16" CMV 5.56 Upper Receiver w/ 15" ATLAS S-ONE M-LOK Handguard
    Out of stock
    $655.99 $690.99 $589.99 $624.99 Save $66.00
  26. Aim Sports AR-15 .223 / 5.56 Assembled Upper Receiver w/ Lower Build Kit
    Aim Sports AR-15 .223 / 5.56 Assembled Upper Receiver w/ Lower Build Kit
    Out of stock
    $599.99 $449.99 $462.99 Save $150.00
  27. Aim Sports AR-15 .223 / 5.56 Assembled Upper Receiver w/ M-LOK Handguard
    Aim Sports AR-15 .223 / 5.56 Assembled Upper Receiver w/ M-LOK Handguard
    Out of stock
    $459.99 $343.99 Save $116.00
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