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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Trijicon RMRCC Mount Plate Sig Sauer 365
Vendor:TrijiconRegular price $110.88 USDRegular price$130.00 USDSale price $110.88 USDSale -
Trijicon RMRcc Mounting Plate Sig Sauer P365 1-Piece Matte Black
Vendor:TrijiconRegular price $95.54 USDRegular price$112.01 USDSale price $95.54 USDSale -
Leupold QRW Base Set Matte Black Winchester 70 Quick Release Picatinny/Weaver Mount Steel Rifle
Vendor:LeupoldRegular price $29.90 USDRegular price$35.05 USDSale price $29.90 USDSale -
YHM Adaptable Blast Deflector ASSY
Vendor:Yankee Hill MachineRegular price $185.96 USDRegular price$218.03 USDSale price $185.96 USDSale -
Burris AR-Signature P.E.P.R. Mount Black 1-Piece Base w/34mm Tube Diameter & QD for AR-Platform
Vendor:BurrisRegular price $175.84 USDRegular price$206.16 USDSale price $175.84 USDSale -
LBE Takedown Pin/Pivot Pin Set
Vendor:LBURegular price $11.79 USDRegular price$13.82 USDSale price $11.79 USDSale -
Rival Arms Optic Ready Slide A1 Sig P320 Carry Docter Cut QPQ Black 416R Stainless Steel
Vendor:Rival ArmsRegular price $290.00 USDRegular price$340.00 USDSale price $290.00 USDSale -
Rival Arms Optic Ready Slide A1 Sig P320 Carry RMR Cut QPQ Black 416R Stainless Steel
Vendor:Rival ArmsRegular price $372.58 USDRegular price$436.82 USDSale price $372.58 USDSale -
Rival Arms Faction Series Slide A1 Sig P320 X-Five Docter Cut Cerakote Black 17-4 Stainless Steel
Vendor:Rival ArmsRegular price $423.97 USDRegular price$497.06 USDSale price $423.97 USDSale -
Grovtec US Inc Anschutz T-Nut Stud Adapter Black Hardcoat AFALSEdized Steel & Aluminum Rifle
Vendor:Grovtec USARegular price $40.30 USDRegular price$47.24 USDSale price $40.30 USDSale -
Grovtec US Inc Picatinny Rail Low Profile 45 Degree AR Platform Black Hardcoat AFALSEdized
Vendor:Grovtec USARegular price $54.80 USDRegular price$64.24 USDSale price $54.80 USDSale -
Rival Arms Guide Rod Assembly Sig P320 Carry Stainless Steel
Vendor:Rival ArmsRegular price $36.80 USDRegular price$43.15 USDSale price $36.80 USDSale -
Timney Triggers Impact-AR-St AR Platform Black Straight 3 Lbs
Vendor:Timney TriggersRegular price $143.01 USDRegular price$167.67 USDSale price $143.01 USDSale -
Strike Modular Mag Release For Glock 17/19/19X/22/23/26/27/31-35/37-39/45 Gen 4-5 Red
Vendor:Strike IndustiesRegular price $24.61 USDRegular price$28.85 USDSale price $24.61 USDSale -
Griffin Armament Taper Mount Hammer Comp 30 Cal Black QPQ 17-4 Stainless Steel
Vendor:Griffin ArmamentRegular price $101.46 USDRegular price$118.95 USDSale price $101.46 USDSale -
Rugged Suppressor R3 Flash Hider Black M18X1
Vendor:Rugged SuppressorsRegular price $91.35 USDRegular price$107.10 USDSale price $91.35 USDSale -
Rival Arms Faction Series Slide A1 With Docter Cut Cerakote Ready Red 17-4 Stainless Steel For Glock 19 Gen
Vendor:Rival ArmsRegular price $363.91 USDRegular price$426.65 USDSale price $363.91 USDSale -
Rival Arms Extended Slide Lock for GLOCK 43/43X/48 Models Polished Stainless
Vendor:Rival ArmsRegular price $17.07 USDRegular price$20.01 USDSale price $17.07 USDSale -
TacFire Compact 308 Win Compensator 5/8"-24 tpi Black Nitride Steel
Vendor:TacFireRegular price $23.59 USDRegular price$27.66 USDSale price $23.59 USDSale -
TacFire AR15 Buffer Tube Kit Mil-Spec Black AR-15
Vendor:TacFireRegular price $27.39 USDRegular price$32.11 USDSale price $27.39 USDSale -
Rugged Shim Kit - 1/2X28
Vendor:Rugged SuppressorsRegular price $8.99 USDRegular price$10.54 USDSale price $8.99 USDSale -
Rival Arms Frame Pin Kit Compatible With for Glock Gen 3 (Except 36/42/43) Stainless Steel
Vendor:Rival ArmsRegular price $18.10 USDRegular price$21.22 USDSale price $18.10 USDSale -
TriggerTech Special Weatherby Mark V Black PVD Single-Stage Curved 1-3.50 Lbs
Vendor:Trigger TechRegular price $290.39 USDRegular price$340.46 USDSale price $290.39 USDSale -
TriggerTech Primary Weatherby Mark V Black PVD Single-Stage Curved 1.50-4 Lbs
Vendor:Trigger TechRegular price $247.36 USDRegular price$290.00 USDSale price $247.36 USDSale -
TriggerTech Primary Kimber M84 Black PVD Single-Stage Curved 1.50-4 Lbs
Vendor:Trigger TechRegular price $198.97 USDRegular price$233.27 USDSale price $198.97 USDSale -
TriggerTech Adaptable FN FX9 Black PVD Two-Stage Flat 3.50-6 Lbs
Vendor:Trigger TechRegular price $317.27 USDRegular price$371.98 USDSale price $317.27 USDSale -
TriggerTech Adaptable Sig MPX Black PVD Two-Stage Flat 3.50-6 Lbs
Vendor:Trigger TechRegular price $317.27 USDRegular price$371.98 USDSale price $317.27 USDSale -
Rival Arms Slide Completion Kit Sig P320 Black PVD Stainless Steel
Vendor:Rival ArmsRegular price $108.69 USDRegular price$127.43 USDSale price $108.69 USDSale -
Rival Arms Extended Slide Lock for GLOCK 17/19/34 Gen 5 Models Polished Stainless
Vendor:Rival ArmsRegular price $17.07 USDRegular price$20.01 USDSale price $17.07 USDSale -
Timber Creek Outdoors Enforcer Handguard AR Platform Purple AFALSEdized 15" Aluminum
Vendor:TIMBER CREEK OUTDOOR INCRegular price $185.37 USDRegular price$217.33 USDSale price $185.37 USDSale -
Cross Armory Pin Set For Glock Gen 5 Dimpled Steel Blue
Vendor:Cross ArmoryRegular price $19.60 USDRegular price$22.98 USDSale price $19.60 USDSale -
Rival Arms Thread Protector 9mm Luger Stainless PVD 416R Steel 1/2"-28 tpi
Vendor:Rival ArmsRegular price $26.78 USDRegular price$31.40 USDSale price $26.78 USDSale -
Rival Arms Guide Rod Assembly for Glock 17 Gen5 Silver Stainless Steel
Vendor:Rival ArmsRegular price $46.60 USDRegular price$54.64 USDSale price $46.60 USDSale -
Rival Arms Guide Rod Assembly for Glock 42 Tungsten Stainless Steel
Vendor:Rival ArmsRegular price $62.31 USDRegular price$73.05 USDSale price $62.31 USDSale -
Rival Arms Magazine Release for Glock 43X/48 Extended Black AFALSEdized Aluminum
Vendor:Rival ArmsRegular price $31.32 USDRegular price$36.72 USDSale price $31.32 USDSale -
Rival Arms Extended Mag Release Compatible With for Glock 43X/48 Stainless
Vendor:Rival ArmsRegular price $28.51 USDRegular price$33.42 USDSale price $28.51 USDSale