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    AR-15
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Inventory
  1. In Stock 49 items
  2. Out of Stock 25 items
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  1. 5
    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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  2. TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit- 5"
    TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit
    (1)
    $399.99 $264.99 $299.99 Save $135.00
  5. Faxon Firearms Duty Series AR-15 16" Mid-Length Gas 5.56 NATO 1:8 4150 Steel Threaded Gunner Profile 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
  6. Faxon Firearms Duty Series AR-15 Carbine-Length 5.56 NATO 1:7 Chrome Lined 4150 CMV Barrel -12.5"-Carbine-Medium
    Faxon Firearms Duty Series AR-15 Carbine-Length 5.56 NATO 1:7 Chrome Lined 4150 CMV Barrel
    $238.99 $242.99 $219.99 $223.99 Save $19.00
  7. Diamondback AR-15 16" Carbine-Length Gas 5.56 NATO 1:9 CMV Barrel
    Diamondback AR-15 5.56 NATO CMV Barrel
    $85.99 $103.99 $85.99 $103.99 Save $11.00
  8. Ballistic Advantage Classic AR-15 16" Carbine-Length Gas 5.56 NATO 1:7 CMV Barrel
    Ballistic Advantage Classic Series AR-15 Carbine-Length Gas 5.56 1:7 CMV CL Barrel
    $157.99 $185.99 $124.99 $175.99 Save $56.00
  9. Rosco Bloodline Heavy AR-15 16" Carbine Length Gas 5.56 NATO 1:7 4150CMV Barrel
    Rosco Bloodline AR-15 5.56 NATO CMV Barrel
    $149.99 $186.99 $134.99 $169.99 Save $18.00
  10. Ballistic Advantage Performance AR-15 16" Mid-Length Gas 5.56 NATO 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
  12. Panzer Arms AR57 ULT AR-15 Steel 5.7x28mm Upper Receiver w/ M-LOK Handguard - 12"
    Panzer Arms AR57 ULT AR-15 Steel 5.7x28mm Upper Receiver w/ M-LOK Handguard
    Out of stock
    $644.99 $599.99 $619.99 Save $45.00
  14. Ballistic Advantage Classic AR-15 16" Mid-Length 5.56 1:7 CHF CL Barrel w/ Lo Pro Gas Block
    Ballistic Advantage Classic Series AR-15 5.56 1:7 CHF CL Barrel w/ Lo Pro Gas Block
    Out of stock
    $330.99 $313.99 Save $17.00
  15. Seekins Precision Match Grade AR-15 16" Mid-Length 0.750" Gas .223 Wylde 1:8 Stainless Steel 5R Rifled 1/2x28 Barrel
    Seekins Precision Match Grade AR-15 .223 Wylde 1:8 Stainless Steel Barrel
    Out of stock
    $395.99 $379.99 Save $16.00
  16. Faxon ARAK-21 AR-15 5.56 NATO Upper Receiver w/ Picatinny Handguard 16"
    Faxon ARAK-21 AR-15 5.56 NATO Upper Receiver w/ Picatinny Handguard
    Out of stock
    $999.99 $920.99 Save $79.00
  18. Geissele Automatics Super Duty MOD1 AR-15 13.9" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard - BLK
    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
  19. Geissele Automatics Super Duty MOD1 AR-15 14.5" Pinned / 16" OAL 5.56 Upper Receiver with Free Float M-LOK Handguard - BLK
    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 - BLK
    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
  24. Aero Precision M4E1-T AR-15 16" 5.56 NATO Upper Receiver w/ ATLAS R-ONE 15" M-LOK Handguard
    Aero Precision M4E1 AR-15 16" 5.56 NATO Assembled Upper Receiver w/ ATLAS R-ONE 15" M-LOK Handguard
    Out of stock
    $579.99 $589.99 $374.99 Save $215.00
  34. CMMG AR-15 16.1" .22 LR 1:16 CM Barrel w/ Collar Kit
    CMMG AR-15 .22 LR 1:16 CM Barrel w/ Collar Kit
    Out of stock
    $249.99 $199.99 Save $50.00
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