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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Bravo Company MLOK Rail QD Sling Mount Black Quick Detach Compatible BCM-MCMR-SM
Vendor:Bravo Company USARegular price $19.91 USDRegular price$23.34 USDSale price $19.91 USDSale -
Bravo Company Polymer Picatinny Rail Section Black MLOK Compatible 3" BCM-MCMR-1913-N3-BLK
Vendor:Bravo Company USARegular price $9.93 USDRegular price$11.65 USDSale price $9.93 USDSale -
Bravo Company Compensator MOD0 Muzzle Brake 5.56 NATO 1/2x28 Fits AR Rifles Black BCM-GFC-MOD-0-556
Vendor:Bravo Company USARegular price $98.69 USDRegular price$115.70 USDSale price $98.69 USDSale -
Battle Arms Development Inc. .308 Enhanced Bolt Catch Fits AR308 DPMS Gen 1 Style Receivers Black BAD-EBC-IC-308
Vendor:Battle Arms Development, Inc.Regular price $16.82 USDRegular price$19.72 USDSale price $16.82 USDSale -
Battle Arms Development Inc. Enhanced Cast Bolt Catch Black BAD-EBC-IC
Vendor:Battle Arms Development, Inc.Regular price $14.49 USDRegular price$16.98 USDSale price $14.49 USDSale -
Battle Arms Development Ultralight Chevron Carbon Fiber Pistol Grip Black Construction Fits Rifles Bad-c
Vendor:Battle Arms Development, Inc.Regular price $246.46 USDRegular price$288.95 USDSale price $246.46 USDSale -
Battle Arms Development Inc. TT-15 Adjustable Frictionless Trigger Black Curved 2-5 Pounds .154" Pin Size BAO-TGB-25-NNC
Vendor:Battle Arms Development, Inc.Regular price $289.93 USDRegular price$339.92 USDSale price $289.93 USDSale -
B5 Systems P-grip C Pistol Grip Coyote Pgr-1523
Vendor:B5 SystemsRegular price $19.72 USDRegular price$23.12 USDSale price $19.72 USDSale -
B5 Systems P-Grip, Coyote Brown PGR-1126
Vendor:B5 SystemsRegular price $19.13 USDRegular price$22.42 USDSale price $19.13 USDSale -
B5 Systems P-Grip, Flat Dark Earth PGR-1120
Vendor:B5 SystemsRegular price $19.72 USDRegular price$23.12 USDSale price $19.72 USDSale -
B5 Systems P-Grip, Gray PGR-1118
Vendor:B5 SystemsRegular price $19.72 USDRegular price$23.12 USDSale price $19.72 USDSale -
Armaspec Srs Buffer Kit Gen 4 Stealth Recoil Spring-9 Fits Ar-9 Black Arm263-9
Vendor:ArmaspecRegular price $114.64 USDRegular price$134.40 USDSale price $114.64 USDSale -
Armaspec Sound Mitigation Buffer Gen 3 Black
Vendor:ArmaspecRegular price $56.84 USDRegular price$66.64 USDSale price $56.84 USDSale -
Armaspec Sound Mitigation Buffer Gen 3 Black
Vendor:ArmaspecRegular price From $56.84 USDRegular price$66.64 USDSale price From $56.84 USDSale -
Armaspec Gun Builders Lowers Parts Kit (Less FCG and Grip) Fits 5.56/.223 This Is FALSET Complete Bla
Vendor:ArmaspecRegular price $76.68 USDRegular price$89.90 USDSale price $76.68 USDSale -
Armaspec SFT 45/90 Ambidextrous Safety Selector Fits 5.56/.223 and 7.62/.308 Torx Screws Key Included Black Finis
Vendor:ArmaspecRegular price $45.99 USDRegular price$53.92 USDSale price $45.99 USDSale -
Armaspec ST45 45 Degree Short Throw Ambidextrous Safety Selector Fits 5.56/.223 and 7.62/.308 Torx Screws Key Inc
Vendor:ArmaspecRegular price $40.89 USDRegular price$47.94 USDSale price $40.89 USDSale -
Apex Tactical Specialties Enhancement Trigger Kit for FN 509 Black. 119-125
Vendor:Apex Tactical SpecialtiesRegular price $162.53 USDRegular price$190.55 USDSale price $162.53 USDSale -
Apex Tactical Specialties Action Enhancement Trigger Kit Fits Springfield Armory Hellcat Black 115-112
Vendor:Apex Tactical SpecialtiesRegular price $88.12 USDRegular price$103.31 USDSale price $88.12 USDSale -
Angstadt Arms Buffer kit .40/.45 Pistols 8 oz Spacer and Spring AA45BUFKIT
Vendor:Angstadt ArmsRegular price $69.60 USDRegular price$81.60 USDSale price $69.60 USDSale -
ALG Defense AK Trigger, Enhanced, 6 Pound Pull 05-327
Vendor:ALG DefenseRegular price $158.11 USDRegular price$185.37 USDSale price $158.11 USDSale -
ALG Defense AK Trigger Enhanced 6 Pound Pull 05-326
Vendor:ALG DefenseRegular price $82.65 USDRegular price$96.90 USDSale price $82.65 USDSale -
Sig Sauer Grip Asy 365 Man Saftey Gray 8900328
Vendor:Sig SauerRegular price $73.95 USDRegular price$86.70 USDSale price $73.95 USDSale -
Sig Sauer Grip ASY 365Xl Standard Coyote 8900263
Vendor:Sig SauerRegular price $94.98 USDRegular price$111.35 USDSale price $94.98 USDSale -
Sig Sauer Grip ASY 365 Manual Safety Coy 8900157
Vendor:Sig SauerRegular price $73.95 USDRegular price$86.70 USDSale price $73.95 USDSale -
Sig Sauer Grip ASY 365 Manual Safety Black 8900156
Vendor:Sig SauerRegular price $73.95 USDRegular price$86.70 USDSale price $73.95 USDSale -
Sig Sauer Grip ASY 365 Standard Coyote 8900155
Vendor:Sig SauerRegular price $73.95 USDRegular price$86.70 USDSale price $73.95 USDSale -
Rugged Suppressor OEM Piston Copper M16X1 RH
Vendor:Rugged SuppressorsRegular price $73.95 USDRegular price$86.70 USDSale price $73.95 USDSale -
Rugged Suppressor R3 Flash Hider Black 9/16"-24 tpi
Vendor:Rugged SuppressorsRegular price $91.35 USDRegular price$107.10 USDSale price $91.35 USDSale -
Rugged Suppressor R3 Flash Hider Black 3/4"-24 tpi
Vendor:Rugged SuppressorsRegular price $91.35 USDRegular price$107.10 USDSale price $91.35 USDSale -
Daniel Defense RIS II Free floating Rail System 12.25" Aluminum Flat Dark Earth
Vendor:Daniel DefenseRegular price $570.23 USDRegular price$668.54 USDSale price $570.23 USDSale -
Xs Sight Systems Lever Rail Henry .44
Vendor:XS Sight SystemsRegular price $69.77 USDRegular price$81.80 USDSale price $69.77 USDSale -
Geissele Automatics 13.5in Modular Rail Mk16 M-lok Ddc
Vendor:Geissele AutomaticsRegular price $398.53 USDRegular price$467.25 USDSale price $398.53 USDSale -
CMMG Inc AR-15 A2 Flash Hider 1/2 X 28 55DA5EB
Vendor:CMMG, IncRegular price $11.47 USDRegular price$13.45 USDSale price $11.47 USDSale -
Barrel Shim Set 5/8'' Inner Diameter
Vendor:Yankee Hill MachineRegular price $9.79 USDRegular price$11.48 USDSale price $9.79 USDSale -
Samson Manufacturing Corp. Hannibal Picatinny Top Rail Natural Gray Fits Ruger Mini 14/30/ac-556 2008+ 03-00265-11
Vendor:Samson Manufacturing Corp.Regular price $138.50 USDRegular price$162.38 USDSale price $138.50 USDSale