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  1. Color
    Black
  2. Thread Pattern
    1/2x28
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    AR-15
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  1. Aero Precision 6 items
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Caliber
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Options
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  2. W/O BCG & CH 6 items
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  17. 12.3" 1 item
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  23. 16" 57 items
  24. 16.1" 6 items
  25. 16.25" 1 item
  26. 16.325" 1 item
  27. 17.7" 1 item
  28. 18" 12 items
  29. 20" 9 items
  30. 22" 1 item
  31. 24" 3 items
Material
  1. 416R Stainless Steel 11 items
  2. 4150 Chrome Moly Vanadium 11 items
  3. Aluminum 21 items
  4. Chrome Moly Venadium Steel 19 items
  5. Stainless Steel 2 items
  6. Steel 6 items
Inventory
  1. In Stock 42 items
  2. Out of Stock 36 items
Customer Rating
  1. 5
    3 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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  1. CMMG AR-15 9" .22 LR 1:16 CM Barrel w/ Collar Kit
    CMMG AR-15 .22 LR 1:16 CM Barrel w/ Collar Kit
    Out of stock
    $199.99 $249.99 $174.99 $199.99 Save $50.00
  2. Battle Arms Development WORKHORSE AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard - Black
    Battle Arms Development WORKHORSE AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard
    $724.99 $692.99 Save $32.00
  3. TacFire AR-15 .223 / 5.56 Unassembled Pistol Kit w/ Lower Parts Kit - 10.5"
    TacFire AR-15 .223 / 5.56 Unassembled Pistol Kit w/ Lower Parts Kit
    Out of stock
    $399.99 $279.99 $349.99 Save $120.00
  4. TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit- 5"
    TacFire AR-15 .223 / 5.56 Unassembled Upper Receiver Kit
    Out of stock
    $399.99 $264.99 $299.99 Save $135.00
  5. TacFire AR-15 .223 / 5.56 Upper Receiver - 14.5"
    TacFire AR-15 .223 / 5.56 Upper Receiver
    Out of stock
    (1)
    $299.99 $259.99 $299.99 Save $40.00
  12. Aero Precision AR-15 16" 5.56 Upper Receiver w/ Magpul MOE SL M-LOK Handguard - Black
    Aero Precision AR-15 16" 5.56 Upper Receiver w/ Magpul MOE SL M-LOK Handguard
    Out of stock
    $460.99 $414.99 Save $46.00
  14. Ballistic Advantage Performance AR-15 18" Carbine-Length Gas .350 Legend 1:16 CMV Barrel
    Ballistic Advantage Performance Series AR-15 Carbine-Length Gas .350 Legend 1:16 CMV Barrel
    Out of stock
    $215.99 $260.99 $204.99 $247.99 Save $13.00
  15. Ballistic Advantage AR-15 13.9" Mid-Length Gas 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
    $300.99 $330.99 $285.99 $313.99 Save $17.00
  16. CMMG AR-15 16.1" .22 LR 1:16 CM Barrel
    CMMG AR-15 .22 LR 1:16 CM Barrel
    Out of stock
    $174.99 $149.99 Save $25.00
  17. LBE Unlimited AR-15 16" 5.56 NATO 1:7 CMV Barrel
    LBE Unlimited AR-15 16" 5.56 NATO 1:7 CMV Barrel
    Out of stock
    $134.99 $159.99 $134.99 $146.99 Save $13.00
  18. Odin Works AR-15 16.1" Mid-Length Gas .223 Wylde 1:8 Black Nitride Stainless Steel Barrel with Tunable Gas Block
    Odin Works AR-15 .223 Wylde 1:8 Stainless Steel Barrel w/ Tunable Gas Block
    Out of stock
    $205.99 $345.99 $194.99 $327.99 Save $18.00
  22. 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 EPC-9 AR-15 16" 9mm CMV Upper Receiver w/ ATLAS S-ONE 15" M-LOK Handguard - Black
    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
  25. Aero Precision M4E1 AR-15 16" CMV 5.56 Upper Receiver w/ 15" ATLAS S-ONE M-LOK Handguard - Black
    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
  27. Ballistic Advantage Modern EPC AR-15 5.5" 9mm 1:10 CMV Barrel
    Ballistic Advantage Modern Series EPC AR-15 9mm 1:10 CMV Barrel
    Out of stock
    $105.99 $155.99 $99.99 $147.99 Save $8.00
  28. Ballistic Advantage Premium Black AR-15 16" Rifle-Length Gas .22 ARC 1:7 Stainless Steel Barrel
    Ballistic Advantage Premium Black AR-15 .22 ARC 1:7 Stainless Steel Barrel
    Out of stock
    $245.99 $275.99 $232.99 $261.99 Save $14.00
  29. 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
  30. FN M16A2 Style 14.7" Carbine-Length Gas 5.56 NATO Barrel
    FN M16A2 Style 14.7" Carbine-Length Gas 5.56 NATO Barrel
    Out of stock
    $349.99 $135.99 Save $214.00
  38. CMMG AR-15 4.5" .22 LR 1:16 CM Barrel Kit w/ Bolt Carrier
    CMMG AR-15 .22 LR 1:16 CM Barrel w/ Bolt Carrier Kit
    $324.99 $374.99 $259.99 $299.99 Save $75.00
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