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 USA QD End Plate Fits AR15/M16 Black Finish BCM-EPM4-QD
Vendor:Bravo Company USARegular price $18.79 USDRegular price$22.03 USDSale price $18.79 USDSale -
Bravo Company BCM MK2 Buffer Mod 1 - T4 Black Matte Only 7.4oz
Vendor:Bravo Company USARegular price $80.90 USDRegular price$94.84 USDSale price $80.90 USDSale -
Bravo Company BCM MK2 Buffer Mod 1 T3 6.5oz Matte Finish Black Only
Vendor:Bravo Company USARegular price $66.48 USDRegular price$77.95 USDSale price $66.48 USDSale -
Bravo Company BCM MK2 Buffer Mod 1 T0 3.8oz Matte Finish Black Only
Vendor:Bravo Company USARegular price $39.86 USDRegular price$46.73 USDSale price $39.86 USDSale -
Birchwood Casey Cleaning Kit Fits AR-15 22 Piece Comprehensive Kit Custom Handle
Vendor:Birchwood CaseyRegular price $36.67 USDRegular price$42.99 USDSale price $36.67 USDSale -
Ballistic Advantage Gas Tube Mid-length Fits Ar15 Stainless Steel Silver Bapa100067
Vendor:Ballistic AdvantageRegular price $14.15 USDRegular price$16.59 USDSale price $14.15 USDSale -
Battle Arms Development WORKHORSE 15" Rail and .750 Gas Block AFALSEdized FInish Black Fits AR-15
Vendor:Battle Arms Development, Inc.Regular price $216.60 USDRegular price$253.95 USDSale price $216.60 USDSale -
Battle Arms Development Workhorse Low Profile Gas Block .750 Matte Finish Black Includes Set Screws
Vendor:Battle Arms Development, Inc.Regular price $40.59 USDRegular price$47.58 USDSale price $40.59 USDSale -
Battle Arms Development Inc. 9.5" Workhorse Black MLOK AR Rifles Free-Float
Vendor:Battle Arms Development, Inc.Regular price $167.11 USDRegular price$195.93 USDSale price $167.11 USDSale -
Battle Arms Development Xiphos Upper Receiver Stripped 9mm AFALSEdized Finish Black Billet 7075-t6 Aluminum Construction Ba
Vendor:Battle Arms Development, Inc.Regular price $296.34 USDRegular price$347.43 USDSale price $296.34 USDSale -
SaleMr7 M'LOK Handguards
Vendor:Yankee Hill MachineRegular price $167.84 USDRegular price$196.78 USDSale price $167.84 USDSale -
Battle Arms Development Inc. Enhanced Lower Parts Kit Package 3 BAD-EBC-IC BAD-E4S-IC and BAD-EMC-IC
Vendor:Battle Arms Development, Inc.Regular price $35.74 USDRegular price$41.91 USDSale price $35.74 USDSale -
Battle Arms Development Inc. Enhanced Trigger Fits AR-15 Nickel Teflon BAD-ET
Vendor:Battle Arms Development, Inc.Regular price $71.75 USDRegular price$84.12 USDSale price $71.75 USDSale -
Battle Arms Development Inc. Aluminum Takedown Pins Fits AR-15 Purple
Vendor:Battle Arms Development, Inc.Regular price $28.59 USDRegular price$33.52 USDSale price $28.59 USDSale -
Battle Arms Development Inc. Aluminum Takedown Pins Blue Fits AR-15 BAD-EPS-AL-BLUE
Vendor:Battle Arms Development, Inc.Regular price $28.59 USDRegular price$33.52 USDSale price $28.59 USDSale -
Battle Arms Development Inc. Enhanced Pin Set Kit For Rifles Includes Takedown Pivot 2 KNS
Vendor:Battle Arms Development, Inc.Regular price $29.78 USDRegular price$34.92 USDSale price $29.78 USDSale -
Battle Arms Development Enhanced Magazine Release AFALSEdized Finish Red Aluminum Construction
Vendor:Battle Arms Development, Inc.Regular price $7.05 USDRegular price$8.26 USDSale price $7.05 USDSale -
Battle Arms Development Inc. Enhanced Bolt Catch Billet Steel Black Oxide Finish
Vendor:Battle Arms Development, Inc.Regular price $43.36 USDRegular price$50.83 USDSale price $43.36 USDSale -
Battle Arms Development Inc. Standard BCG Bolt Carrier Group Black For AR15 BAD-BCG-M16
Vendor:Battle Arms Development, Inc.Regular price $167.11 USDRegular price$195.93 USDSale price $167.11 USDSale -
Battle Arms Development Bolt Carrier Group 9mm Nitride Finish Black Bad-bcg-9mm
Vendor:Battle Arms Development, Inc.Regular price $199.29 USDRegular price$233.65 USDSale price $199.29 USDSale -
Battle Arms Development Dust Cover Laser Engraved Matte Finish Black Fits Ar-15 Ba-ls-dc-5.56 Nato
Vendor:Battle Arms Development, Inc.Regular price $15.52 USDRegular price$18.19 USDSale price $15.52 USDSale -
Battle Arms Development Dust Cover Laser Engraved Matte Finish Black Fits Ar-15 Ba-ls-dc-2nd Amendment
Vendor:Battle Arms Development, Inc.Regular price $15.52 USDRegular price$18.19 USDSale price $15.52 USDSale -
Battle Arms Development Inc. BAD-ASS-PRO Ambidextrous Safety Selector Fits S&W M&P 15-22 Reversible 90/60 Degrees Black
Vendor:Battle Arms Development, Inc.Regular price $54.06 USDRegular price$63.38 USDSale price $54.06 USDSale -
Battle Arms Development Ambidextrous Safety Selector 90/60 Lightweight Reversible AFALSEdized Finish Red Fits
Vendor:Battle Arms Development, Inc.Regular price $67.58 USDRegular price$79.24 USDSale price $67.58 USDSale -
Battle Arms Development Ambidextrous Safety Selector 90/60 Lightweight Reversible AFALSEdized Finish Purple Fi
Vendor:Battle Arms Development, Inc.Regular price $67.58 USDRegular price$79.24 USDSale price $67.58 USDSale -
Battle Arms Development Ambidextrous Safety Selector 90/60 Lightweight Reversible AFALSEdized Finish Blue Fits
Vendor:Battle Arms Development, Inc.Regular price $67.58 USDRegular price$79.24 USDSale price $67.58 USDSale -
Battle Arms Development Mil-Spec Buffer Tube 6 Position AFALSEdized Finish Olive Drab Green Fits AR-15 Aluminum Constructio
Vendor:Battle Arms Development, Inc.Regular price $49.16 USDRegular price$57.63 USDSale price $49.16 USDSale -
Battle Arms Development Heavy Buffer Mil-Spec 3.8oz Silver Fits AR-15
Vendor:Battle Arms Development, Inc.Regular price $47.15 USDRegular price$55.28 USDSale price $47.15 USDSale -
Ballistic Advantage Premium Black Series Barrel 8.6 Blackout 16" Carbine Length Gas System Qpq Corrosion Resistant Finis
Vendor:Ballistic AdvantageRegular price $205.89 USDRegular price$241.38 USDSale price $205.89 USDSale -
Ballistic Advantage Premium Series Dmr Profile Barrel 6mm Arc Fits Ar10 20" Threaded 5/8x24" Pitch 1:7"
Vendor:Ballistic AdvantageRegular price $278.18 USDRegular price$326.15 USDSale price $278.18 USDSale -
Ballistic Advantage Premium Series SPR Profile Barrel 6MM ARC Fits AR15 18" Threaded 5/8x24" Pitch 1:7"
Vendor:Ballistic AdvantageRegular price $279.20 USDRegular price$327.34 USDSale price $279.20 USDSale -
Ballistic Advantage Premium Series SPR Profile Barrel 6.5 Grendel Fits AR15 16" Threaded 5/8x24" Pitch 1:8
Vendor:Ballistic AdvantageRegular price $230.65 USDRegular price$270.42 USDSale price $230.65 USDSale -
Ballistic Advantage Premium Series SPR Profile Barrel 6.5 Grendel Fits AR15 18" Threaded 5/8x24" Pitch 1:8
Vendor:Ballistic AdvantageRegular price $257.30 USDRegular price$301.67 USDSale price $257.30 USDSale -
Ballistic Advantage Premium Series Barrel 308 Winchester 16" Hanson Profile Mid Length Gas System Fits Ar10 Qpq Corrosio
Vendor:Ballistic AdvantageRegular price $289.62 USDRegular price$339.56 USDSale price $289.62 USDSale -
Ballistic Advantage Premium Black Series 223 Wylde 16" Barrel Finish Lo Pro Gas Block Included Mid Length Syst
Vendor:Ballistic AdvantageRegular price $226.82 USDRegular price$265.93 USDSale price $226.82 USDSale -
B5 Systems Rail Covers 4 Pack Fits M-LOK Rails Matte Coyote Brown
Vendor:B5 SystemsRegular price $17.75 USDRegular price$20.81 USDSale price $17.75 USDSale