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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TacFire AR-15 16" 5.56 Unassembled Upper Receiver Kit w/ Lower Parts Kit$399.99 $329.99 Save $70.00 -
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TacFire AR-15 16" 9mm Unassembled Upper Receiver Kit w/ Lower Parts Kit$499.99 $319.99 Save $180.00 -
TacFire AR-15 .223 / 5.56 Unassembled Pistol Kit w/ Lower Parts Kit$399.99 $279.99 $349.99 Save $120.00 -
CMMG DISSENT Mk4 AR-15 10.5" CM 5.56MM Upper Receiver w/ 9.6" M-LOK Handguard$1,349.99 $1,399.99 $1,024.99 $1,035.99 Save $364.00 -
Midwest Industries Combat Rail Lightweight Series M-LOK Handguard$209.99 $230.99 $163.99 $189.99 Save $53.00 -
TacFire AR-15 .45 ACP Unassembled Pistol Kit w/ Lower Parts Kit$499.99 $309.99 $329.99 Save $190.00 -
TacFire AR-15 300 Blackout Unassembled Pistol Kit w/ Lower Parts Kit$359.99 $499.99 $309.99 $329.99 Save $170.00 -
CMMG DISSENT Mk4 AR-15 10.5" CM .300 BLK Upper Receiver w/ 9.6" M-LOK Handguard-Armor Black$1,349.99 $1,024.99 Save $325.00 -
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Midwest Industries Combat Rail One Piece Free Float Series M-LOK Handguard$157.99 $219.99 $119.99 $184.99 Save $55.00 -
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TacFire AR-15 16" .300 Blackout Unassembled Rifle Kit w/ Lower Parts Kit$429.99 $339.99 Save $90.00 -
TacFire AR-15 16" .350 Legend Unassembled Upper Receiver Kit w/ Lower Parts Kit$399.99 $349.99 Save $50.00 -
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CMMG DISSENT Mk4 AR-15 6.5" CM 9MM Upper Receiver w/ 5.5" M-LOK Handguard-Armor Black$1,349.99 $1,099.99 Save $250.00 -
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 -
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 -
Bilson Arms BA-15FCP AR-15 12.5" .338 ARC Assembled Upper Receiver w/ Forward Charging M-LOK Handguard$1,520.99 $1,300.99 Save $220.00 -
Primary Weapons Systems MK116 Mod 2-M AR-15 16.1" CMV .223 Wylde Upper Receiver w/ PicLok 15" Handguard$1,499.99 $1,399.99 Save $100.00 -
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CMMG Resolute Mk4 16.1" CMV 5.7x28mm Assembled Upper Receiver w/ M-LOK Handguard$1,049.99 $946.99 Save $103.00 -
WMD Guns AR-15 16" .350 Legend Assembled Upper Receiver w/ M-LOK 15” Handguard$715.99 $643.99 Save $72.00 -
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 -
CMMG Resolute Mk4 16.1" .350 Legend Assembled Upper Receiver w/ M-LOK Handguard$949.99 $856.99 Save $93.00 -
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CMMG BANSHEE AR-15 5" CM 5.7x28 Upper Receiver w/ EML4 4" M-LOK Handguard$899.99 $749.99 Save $150.00 -
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Battle Arms Development WORKHORSE AR-15 16" CMV 5.56 Upper Receiver w/ 15" M-LOK Handguard$724.99 $692.99 Save $32.00 -
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