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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AR-15 Pistol Buffer Tube
Vendor:BrownellsRegular price $41.31 USDRegular price$48.43 USDSale price $41.31 USDSale -
Brownells AR-15 Carbine Buffer
Vendor:BrownellsRegular price $18.47 USDRegular price$21.66 USDSale price $18.47 USDSale -
Ar-15 Chamber Safety Flag
Vendor:BrownellsRegular price $2.81 USDRegular price$3.30 USDSale price $2.81 USDSale -
Midwest Industries Ak Picatinny Adapter Converts Ak With 4.5mm Trunion To Picatinny AFALSEdized Finish Black Mi-ak-pepa-4.5
Vendor:Midwest IndustriesRegular price $70.73 USDRegular price$82.93 USDSale price $70.73 USDSale -
Midwest Industries Ak Picatinny Adapter Converts Ak With 5.5mm Trunion To Picatinny AFALSEdized Finish Black Mi-ak-pepa-5.5
Vendor:Midwest IndustriesRegular price $70.73 USDRegular price$82.93 USDSale price $70.73 USDSale -
Triggertech Duty Flat Trigger Single Stage 3.5lb Pull Fits Ar-15 AFALSEdized Finish Black Ah0-sdb-33-nnf
Vendor:Trigger TechRegular price $163.11 USDRegular price$191.23 USDSale price $163.11 USDSale -
Ultradyne Usa Ud Arca Dynalock Rail Mlok Compatible 9.30" Long 6.3 Oz Aluminum Construction AFALSEdized Finish Black Ud2008
Vendor:UltradyneRegular price $80.10 USDRegular price$93.91 USDSale price $80.10 USDSale -
Ultradyne Usa Ud Arca Dynalock Rail Mlok Compatible 12.45" Long 8.4 Oz Aluminum Construction AFALSEdized Finish Black Ud200
Vendor:UltradyneRegular price $98.59 USDRegular price$115.58 USDSale price $98.59 USDSale -
Mdt Elite Muzzle Brake 223 Remington/556nato Nitride Finish Black Fits 1/2x28 103636-blk
Vendor:MDT Sporting GoodsRegular price $148.52 USDRegular price$174.13 USDSale price $148.52 USDSale -
TacFire Pistol Upper Assembly 5.56X45mm Nato Caliber With 5" Black Nitride Barrel
Vendor:TacFireRegular price $387.56 USDRegular price$454.38 USDSale price $387.56 USDSale -
TriggerTech Diamond Pro Triger Curved Single-Stage 1.5-4.0 Lbs Adjustable For AR-15
Vendor:Trigger TechRegular price $352.25 USDRegular price$412.98 USDSale price $352.25 USDSale -
FN AR-15 5.56X45mm Nato 14.70" M4 Profile Barrel Carbine Length Gas System, Black Phosphate Cold Hammer Forged
Vendor:FN AmericaRegular price $411.80 USDRegular price$482.80 USDSale price $411.80 USDSale -
Battle Arms Development Bolt Carrier Group 223 Remington/556Nato Fits AR-15 M16 Profile ArmorTI Coating Black BAD-BCG-M1
Vendor:Battle Arms Development, Inc.Regular price $554.63 USDRegular price$650.25 USDSale price $554.63 USDSale -
TacFire Bu-9MM-16 Rifle Upper Assembly 9mm Luger Caliber With 16" Black Nitride Barrel AFALSEdized 7075-T6 Aluminum
Vendor:TacFireRegular price $371.35 USDRegular price$435.37 USDSale price $371.35 USDSale -
San Tan Tactical Gas Tube Mid Length Black Nitride Coated Kit with Pin
Vendor:SanTan TacticalRegular price $21.30 USDRegular price$24.97 USDSale price $21.30 USDSale -
Midwest Industries Lower Receiver Block Polymer Construction Fits 308 Winchester/762NATO Recevicers Blue
Vendor:Midwest IndustriesRegular price $40.95 USDRegular price$48.01 USDSale price $40.95 USDSale -
WMD Guns Bolt Assembly Nib-X Finish .223 Remington/556NATO
Vendor:WMD GunsRegular price $75.79 USDRegular price$88.86 USDSale price $75.79 USDSale -
WMD Guns Accent Build Kit Nib-X Coated Includes Ejection Port Cover Door Forward Assist Safety Selector Castle Nut Recei
Vendor:WMD GunsRegular price $110.40 USDRegular price$129.44 USDSale price $110.40 USDSale -
Hogue Ar15 M16 Freedom Fighter Compliance Kit
Vendor:HogueRegular price $63.68 USDRegular price$74.66 USDSale price $63.68 USDSale -
ALEX BBL 6.5 GRENDEL 11.5in
Vendor:Alex Pro FirearmsRegular price $298.87 USDRegular price$350.40 USDSale price $298.87 USDSale -
CMC Triggers AR15/AR10 Two Stage Flat Large Pin 2 lb. Set-2 Release Model: 92508
Vendor:CMC TriggersRegular price $208.97 USDRegular price$245.00 USDSale price $208.97 USDSale -
JP OVERSIZE ANTI-WALK PINS .156 AR15
Vendor:JP EnterprisesRegular price $18.50 USDRegular price$21.69 USDSale price $18.50 USDSale -
JP BUFFER SPRING 308 TUNED AND POLISHED
Vendor:JP EnterprisesRegular price $28.94 USDRegular price$33.93 USDSale price $28.94 USDSale -
Steiner T-Series Scope Mount/Ring Combo Matte Black Cantilever 30mm Tube Picatinny Rail 40mm Height Alu
Vendor:Steiner OpticsRegular price $293.84 USDRegular price$344.51 USDSale price $293.84 USDSale -
Steiner T-Series Scope Mount/Ring Combo Matte Black Cantilever 34mm Tube Picatinny Rail 40mm Height 20
Vendor:Steiner OpticsRegular price $293.84 USDRegular price$344.51 USDSale price $293.84 USDSale -
Real Avid Master -Fit Delta Ring Barrel Nut Wrench Titanium Titanium/Stainless Steel AR-Platform
Vendor:Real AvidRegular price $35.53 USDRegular price$41.65 USDSale price $35.53 USDSale -
Real Avid Master -Fit Free Float Barrel Nut Wrench Titanium Titanium/Stainless Steel AR-Platform
Vendor:Real AvidRegular price $35.53 USDRegular price$41.65 USDSale price $35.53 USDSale -
Real Avid Master -Fit Extended & Standard Castle Nut Wrench Titanium Titanium/Stainless Steel AR-Platform
Vendor:Real AvidRegular price $35.53 USDRegular price$41.65 USDSale price $35.53 USDSale -
Real Avid Master -Fit Thin Castle Nut Wrench Titanium Titanium/Stainless Steel AR-Platform
Vendor:Real AvidRegular price $35.53 USDRegular price$41.65 USDSale price $35.53 USDSale -
Real Avid Master -Fit 2" Spanner Wrench Titanium Titanium/Stainless Steel AR-Platform
Vendor:Real AvidRegular price $35.53 USDRegular price$41.65 USDSale price $35.53 USDSale -
Real Avid Master -Fit 3 Prong Flash Hider Wrench Titanium Titanium/Stainless Steel AR-Platform
Vendor:Real AvidRegular price $35.53 USDRegular price$41.65 USDSale price $35.53 USDSale -
Real Avid Master -Fit Muzzle Device Wrench 5/8" Titanium Titanium/Stainless Steel AR-Platform Free-Float Handl
Vendor:Real AvidRegular price $35.53 USDRegular price$41.65 USDSale price $35.53 USDSale -
Real Avid Master -Fit Muzzle Device Wrench Titanium Titanium/Stainless Steel AR-Platform Free-Float Handle
Vendor:Real AvidRegular price $35.53 USDRegular price$41.65 USDSale price $35.53 USDSale -
Real Avid Master -Fit Barrell Nut Wrench Titanium Titanium/Stainless Steel AR-Platform Free-Float Handle
Vendor:Real AvidRegular price $35.53 USDRegular price$41.65 USDSale price $35.53 USDSale -
Real Avid Master -Fit Barrell Nut Wrench 1 1/4" Titanium Titanium/Stainless Steel AR-Platform Free-Float Hand
Vendor:Real AvidRegular price $35.53 USDRegular price$41.65 USDSale price $35.53 USDSale -
Real Avid Master -Fit Barrell Nut Wrench 1 5/16" Titanium Titanium/Stainless Steel AR-Platform Free-Float Ha
Vendor:Real AvidRegular price $35.53 USDRegular price$41.65 USDSale price $35.53 USDSale