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  1. Upper Type
    Rifle
Brand
  1. Aero Precision 13 items
  2. Aim Sports Inc 2 items
  3. Battle Arms Development 4 items
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  5. CMMG 1 item
  6. Daniel Defense 4 items
  7. Faxon Firearms 2 items
  8. FightLite 1 item
  9. FNH Magazines 1 item
  10. Geissele Automatics 4 items
  11. Luth-AR 2 items
  12. Nordic Components 1 item
  13. Noveske 1 item
  14. Odin Works 2 items
  15. Panzer Arms 1 item
  16. RISE Armament 2 items
  17. Spike's Tactical 3 items
  18. TacFire Inc. 13 items
Color
  1. Armor Black 1 item
  2. Black 47 items
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  4. Brown 1 item
  5. Desert Dirt Color 3 items
  6. Flat Dark Earth 6 items
  7. Kodiak Brown 2 items
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  9. Patriot Brown 2 items
Thread Pattern
  1. 1/2x28 38 items
  2. 1/2x36 2 items
  3. 5/8x24 8 items
Platform
  1. AR-10 13 items
  2. AR-15 46 items
  3. AR-9 1 item
Caliber
  1. 22 ARC 1 item
  2. 22 Long Rifle 3 items
  3. 223 Remington 25 items
  4. 300 AAC Blackout 1 item
  5. 308 Winchester 8 items
  6. 350 Legend 1 item
  7. 45 Auto (ACP) 1 item
  8. 5.56mm NATO 31 items
  9. 5.7 x 28mm 1 item
  10. 6mm ARC 1 item
  11. 6.5 Creedmoor 4 items
  12. 6.5 Grendel 1 item
  13. 7.62 x 39mm 1 item
  14. 9mm Luger 3 items
Attachment Type
  1. KeyMod 2 items
  2. MLOK 41 items
  3. Picatinny 10 items
Handguard Length
  1. 4" 2 items
  2. 8.9" 1 item
  3. 9" 1 item
  4. 10" 5 items
  5. 11.8" 2 items
  6. 12" 1 item
  7. 12.25" 2 items
  8. 13.5" 2 items
  9. 15" 27 items
  10. 15.25" 2 items
  11. 17.5" 1 item
  12. Carbine Length 1 item
  13. Mid Length 1 item
Handguard Style
  1. Free Float 43 items
Upper Type
  1. Pistol 21 items
  2. Rifle 59 items
Options
  1. W/ BCG & CH 45 items
  2. W/O BCG & CH 14 items
Barrel Length
  1. 4" 1 item
  2. 5" 1 item
  3. 7" 2 items
  4. 10" 1 item
  5. 10.5" 4 items
  6. 12" 1 item
  7. 12.5" 2 items
  8. 14.5" 1 item
  9. 16" 46 items
  10. 16.1" 1 item
  11. 16.25" 1 item
  12. 18" 8 items
  13. 18.5" 1 item
  14. 20" 10 items
  15. 22" 1 item
  16. 24" 1 item
Material
  1. 416R Stainless Steel 3 items
  2. 4150 Chrome Moly Vanadium 3 items
  3. Aluminum 28 items
  4. Chrome Moly Venadium Steel 2 items
  5. Steel 2 items
  6. Steel / Polymer 2 items
Inventory
  1. In Stock 29 items
  2. Out of Stock 30 items
Customer Rating
  1. 5
    3 items
  2. 4
    & up     4 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!

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  4. 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
  5. Aero Precision M4E1 AR-15 Upper Receiver
    Aero Precision M4E1 AR-15 Upper Receiver
    Out of stock
    $175.99 $190.99 $159.99 $174.99 Save $16.00
  7. 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
  8. 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
  14. Aero Precision M5 AR-10 Upper Receiver
    Aero Precision M5 AR-10 Upper Receiver
    Out of stock
    $180.99 $235.99 $174.99 $209.99 Save $26.00
  16. Faxon ARAK-21 AR-15 7.62x39 Upper Receiver w/ Picatinny Handguard
    Faxon ARAK-21 AR-15 7.62x39 Upper Receiver w/ Picatinny Handguard
    Out of stock
    $999.99 $920.99 Save $79.00
  17. 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
  18. 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
  19. RISE Armament AR-15 18" SS 22 ARC Assembled Upper Receiver with Free Float 15" M-LOK Handguard
    RISE Armament AR-15 18" SS 22 ARC Assembled Upper Receiver with Free Float 15" M-LOK Handguard
    $1,199.99 $999.99 Save $200.00
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