Collection: Gun Parts for Sale – Rifle & Handgun Components, Upgrades & Accessories
Maintain, repair, or upgrade your firearm with high-quality gun parts built for reliability and performance. At Western Gun Store, we offer a wide selection of firearm components for rifles, handguns, and shotguns—designed to keep your equipment running smoothly and performing at its best.
Whether you're replacing worn components, customizing your setup, or building out a platform, our gun parts are engineered for durability, precision fit, and dependable operation. From essential internal components to external upgrades, find the parts you need to keep your firearm in top condition.
Built for shooters who demand performance, our firearm parts deliver the reliability you can count on in the field, at the range, or in critical situations.
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Elftmann Tactical SE Adjustable Trigger Straight with Red Shoe Fits AR-15 AFALSEdized Finish Red
Vendor:Elftmann TacticalRegular price $130.49 USDRegular price$152.98 USDSale price $130.49 USDSale -
Elftmann Tactical SE Adjustable Trigger Curved with Red Shoe Fits AR-15 AFALSEdized Finish Red
Vendor:Elftmann TacticalRegular price $138.59 USDRegular price$162.49 USDSale price $138.59 USDSale -
Elftmann Tactical SE Adjustable Trigger Straight with Black Shoe Fits AR-15 AFALSEdized Finish Red
Vendor:Elftmann TacticalRegular price $130.49 USDRegular price$152.98 USDSale price $130.49 USDSale -
Elftmann Tactical Match Pro Trigger Finger Adjustable Curved Black
Vendor:Elftmann TacticalRegular price $239.24 USDRegular price$280.48 USDSale price $239.24 USDSale -
Elftmann Tactical Match Trigger Curved Finger Adjustable Black
Vendor:Elftmann TacticalRegular price $239.24 USDRegular price$280.48 USDSale price $239.24 USDSale -
Elftmann Tactical Apex Adjustable Trigger Curved with Red Shoe Fits AR-15 AFALSEdized Finish Red
Vendor:Elftmann TacticalRegular price $239.24 USDRegular price$280.48 USDSale price $239.24 USDSale -
Elftmann Tactical Apex Pro Adjustable Trigger Straight With Red Shoe Fits Ar-15 AFALSEdized Finish Red Apex-pro-r-s
Vendor:Elftmann TacticalRegular price $239.24 USDRegular price$280.48 USDSale price $239.24 USDSale -
Elftmann Tactical Apex Pro Adjustable Trigger Curved With Red Shoe Fits Ar-15 AFALSEdized Finish Red Apex-pro-r-c
Vendor:Elftmann TacticalRegular price $239.24 USDRegular price$280.48 USDSale price $239.24 USDSale -
Elftmann Tactical Apex Pro Adjustable Trigger Straight with Black Shoe Fits AR-15 AFALSEdized Finish Red
Vendor:Elftmann TacticalRegular price $237.66 USDRegular price$278.63 USDSale price $237.66 USDSale -
Elftmann Tactical Apex Pro Adjustable Trigger Curved with Black Shoe Fits AR-15 AFALSEdized Finish Red
Vendor:Elftmann TacticalRegular price $239.24 USDRegular price$280.48 USDSale price $239.24 USDSale -
Elftmann Tactical Apex Adjustable Trigger Straight with Black Shoe Fits AR-15 AFALSEdized Finish Red
Vendor:Elftmann TacticalRegular price $239.24 USDRegular price$280.48 USDSale price $239.24 USDSale -
Elftmann Tactical Apex Adjustable Trigger Curved with Black Shoe Fits AR-15 AFALSEdized Finish Red
Vendor:Elftmann TacticalRegular price $239.24 USDRegular price$280.48 USDSale price $239.24 USDSale -
Ergo Grip Rail Protector Covers Fits Picatinny 18 Slot Matte Finish Coyote Brown 4373-3pk-cb
Vendor:ErgoRegular price $19.04 USDRegular price$22.32 USDSale price $19.04 USDSale -
Ergo Grip The Gapper For AR-15/M16 Standard Trigger Guard Only 4085
Vendor:ErgoRegular price $4.05 USDRegular price$4.74 USDSale price $4.05 USDSale -
Doublestar Corp. Ambidextrous Loop End Plate Black Finish JT345
Vendor:Double StarRegular price $11.22 USDRegular price$13.16 USDSale price $11.22 USDSale -
Doublestar Corp. AR15 Lower Parts Kit 223 Rem/5.56 NATO Black Finish Includes Fire Control Group Pins
Vendor:Double StarRegular price $89.89 USDRegular price$105.38 USDSale price $89.89 USDSale -
Colt's Manufacturing Mil-Spec Bolt Carrier Group 223Rem/5.56 NATO Black Parkerized Finish SP64028
Vendor:ColtRegular price $243.14 USDRegular price$285.06 USDSale price $243.14 USDSale -
Colt 's Manufacturing Upper 223 Rem 556NATO 16" (14.5" with Pinned Brake) Black Bolt Carrier Assembly LE6921CK
Vendor:ColtRegular price $1,059.94 USDRegular price$1,242.68 USDSale price $1,059.94 USDSale -
CMMG Barrel and BCG Kit 5.7X28MM 16.1" Black Fits AR Rifles
Vendor:CMMG, IncRegular price $560.19 USDRegular price$656.78 USDSale price $560.19 USDSale -
CMMG Gas Block Kit .750" ID Low Profile Black 55DA38D
Vendor:CMMG, IncRegular price $42.46 USDRegular price$49.78 USDSale price $42.46 USDSale -
CMMG Gas Block Kit .936" ID Low Profile Black 55DA36F
Vendor:CMMG, IncRegular price $42.46 USDRegular price$49.78 USDSale price $42.46 USDSale -
CMMG Sight Base Assembly Fits Barrels with .750" Diameter Gas Journals Approximately 2" Long Front 55DA338
Vendor:CMMG, IncRegular price $62.38 USDRegular price$73.13 USDSale price $62.38 USDSale -
CMMG Receiver Extension A1 Rifle Length Black 55CA9B7
Vendor:CMMG, IncRegular price $47.21 USDRegular price$55.35 USDSale price $47.21 USDSale -
CMMG Inc AR-15 Carbine Kit Black Receiver Extension 55CA6C7
Vendor:CMMG, IncRegular price $74.37 USDRegular price$87.19 USDSale price $74.37 USDSale -
Cmmg Zeroed Lower Parts Kit Receiver With Ambi Safety Selector Fits Ar15 Black 55ca642
Vendor:CMMG, IncRegular price $133.05 USDRegular price$155.99 USDSale price $133.05 USDSale -
CMMG AR15 Ambi Mag Catch Black Engraved with Logo
Vendor:CMMG, IncRegular price $38.64 USDRegular price$45.31 USDSale price $38.64 USDSale -
CMMG MilSpec Trigger Kit Fits AR15
Vendor:CMMG, IncRegular price $39.25 USDRegular price$46.02 USDSale price $39.25 USDSale -
CMMG AR15 Ambi Mag Catch Black
Vendor:CMMG, IncRegular price $38.06 USDRegular price$44.63 USDSale price $38.06 USDSale -
CMMG Zeroed Lower Parts Kit MK3 Receiver with Ambi Safety Selector Fits AR10 Black
Vendor:CMMG, IncRegular price $143.55 USDRegular price$168.30 USDSale price $143.55 USDSale -
AR-15 CMMG Part Lower Receiver Parts Kit Without Grip/Fire Control Group 38CA61A
Vendor:CMMG, IncRegular price $50.24 USDRegular price$58.91 USDSale price $50.24 USDSale -
CMMG Ejection Port Cover Kit Mk3 Rod and Spring Black Finish 38BA538
Vendor:CMMG, IncRegular price $16.99 USDRegular price$19.92 USDSale price $16.99 USDSale -
CMMG Resolute MK4 Upper Receiver 350 Legend 16.1" Barrel Cerakote Finish Armor Black
Vendor:CMMG, IncRegular price $1,113.38 USDRegular price$1,305.35 USDSale price $1,113.38 USDSale -
CMMG 9MM Ejection Port Cover Kit Includes Rod Brass Deflector and Spring 22BA627
Vendor:CMMG, IncRegular price $16.18 USDRegular price$18.97 USDSale price $16.18 USDSale -
CMC Triggers AR-15 9mm PCC Drop-In Single Stage Curved Bow 3.5lb Pull Natural Finish
Vendor:CMC TriggersRegular price $175.58 USDRegular price$205.85 USDSale price $175.58 USDSale -
CMC Triggers Corp 2-Stage Small Pin Flat 2lb Set - Release Black Finish 92504
Vendor:CMC TriggersRegular price $222.85 USDRegular price$261.27 USDSale price $222.85 USDSale -
CMC Triggers Corp 2-Stage Small Pin Curved 2lb Set - Release Black Finish 92502
Vendor:CMC TriggersRegular price $212.83 USDRegular price$249.53 USDSale price $212.83 USDSale