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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Timber Creek Outdoors Pencil Replacement Barrel 5.56X45mm Nato 16" Mid-Length Gas System With M4 Feed Ramps Bla
Vendor:TIMBER CREEK OUTDOOR INCRegular price $158.05 USDRegular price$185.30 USDSale price $158.05 USDSale -
PROOF BBL SS BOLT 6CM 24in SAV DROPIN STG TAPER
Vendor:Proof ResearchRegular price $761.25 USDRegular price$892.50 USDSale price $761.25 USDSale -
PROOF BBL CF BLANK BOLT .308 SENDERO 26in 1-9
Vendor:Proof ResearchRegular price $1,029.50 USDRegular price$1,207.00 USDSale price $1,029.50 USDSale -
PROOF BBL CF BOLT 6.5CM DI 24in ZERMATTSA 1-8
Vendor:Proof ResearchRegular price $1,196.25 USDRegular price$1,402.50 USDSale price $1,196.25 USDSale -
PROOF BBL CF BLANK BOLT .338 SENDERO 24in 1-9.4
Vendor:Proof ResearchRegular price $1,029.50 USDRegular price$1,207.00 USDSale price $1,029.50 USDSale -
PROOF BBL CF BLANK BOLT .284 SEND LIGHT 20in 1-8
Vendor:Proof ResearchRegular price $1,029.50 USDRegular price$1,207.00 USDSale price $1,029.50 USDSale -
PROOF BBL SS BOLT 6DASH DI 26in ZERMATT 1-7.5
Vendor:Proof ResearchRegular price $761.25 USDRegular price$892.50 USDSale price $761.25 USDSale -
PROOF BBL CF BLANK BOLT .308 SEND LIGHT 22in 1-9
Vendor:Proof ResearchRegular price $1,029.50 USDRegular price$1,207.00 USDSale price $1,029.50 USDSale -
PROOF BBL CF BLANK BOLT 264 SEND LIGHT 18in 1-7.5
Vendor:Proof ResearchRegular price $1,029.50 USDRegular price$1,207.00 USDSale price $1,029.50 USDSale -
PROOF BBL SS BOLT 264 28in COMPETITION 1-8
Vendor:Proof ResearchRegular price $565.50 USDRegular price$663.00 USDSale price $565.50 USDSale -
PROOF BBL SS BOLT 6DASH DI 26in COMPETITION 1-7.5
Vendor:Proof ResearchRegular price $688.75 USDRegular price$807.50 USDSale price $688.75 USDSale -
PROOF BBL CF BOLT 300WIN DI 24in TIKKA T3X 1-10
Vendor:Proof ResearchRegular price $1,102.00 USDRegular price$1,292.00 USDSale price $1,102.00 USDSale -
MR BBL DE MKXIX 6in CS 44MAG BURNT BRONZE IMB
Vendor:Magnum ResearchRegular price $721.78 USDRegular price$846.23 USDSale price $721.78 USDSale -
PROOF BBL SS BOLT 264 28in M24
Vendor:Proof ResearchRegular price $565.50 USDRegular price$663.00 USDSale price $565.50 USDSale -
PROOF BBL CF BOLT BLANK 6MMCREED 24in BIGHORN
Vendor:Proof ResearchRegular price $1,196.25 USDRegular price$1,402.50 USDSale price $1,196.25 USDSale -
PROOF BBL CF BOLT 264 24in SENDERO 1-7.5
Vendor:Proof ResearchRegular price $971.50 USDRegular price$1,139.00 USDSale price $971.50 USDSale -
PROOF BBL CF BLANK BOLT .308 SENDERO 26in 1-9
Vendor:Proof ResearchRegular price $1,029.50 USDRegular price$1,207.00 USDSale price $1,029.50 USDSale -
Proof Research 100905 Bolt Action Barrel Blank 264 Cal 22" Sendero Contour 1:8" Twist 4 Grooves, Carbon Fiber Wrapped
Vendor:Proof ResearchRegular price $942.50 USDRegular price$1,105.00 USDSale price $942.50 USDSale -
PROOF BBL CF BLANK BOLT .264 SENDERO LIGHT 24in
Vendor:Proof ResearchRegular price $1,029.50 USDRegular price$1,207.00 USDSale price $1,029.50 USDSale -
PROOF BBL CF BOLT 308 18IN SENDERO 1-10
Vendor:Proof ResearchRegular price $1,029.50 USDRegular price$1,207.00 USDSale price $1,029.50 USDSale -
FAXON Ion Ultralight Complete Upper Receiver 5.56 16"
Vendor:Faxon FirearmsRegular price $1,101.93 USDRegular price$1,291.92 USDSale price $1,101.93 USDSold out -
FAXON AR10 Bbl 6.5 Creedmoor 22" 1:8 5R Heavy Fluted Black
Vendor:Faxon FirearmsRegular price $438.78 USDRegular price$514.44 USDSale price $438.78 USDSold out -
Ballistic Advantage Premium Series .223 Wylde Barrel 16" Stainless Steel Md BABL223017P
Vendor:Ballistic AdvantageRegular price $214.51 USDRegular price$251.50 USDSale price $214.51 USDSale -
CMMG Barrel 300 AAC Blackout 16.1" 1:7 Twist Carbine 4140 CrMo Salt Bath Nitride Finish 5/8"-24 TPI 30DF80A
Vendor:CMMG, IncRegular price $239.83 USDRegular price$281.18 USDSale price $239.83 USDSale -
Ballistic Advantage Premium Series 6.5 Creedmoor 22" Heavy Barrel .936 Gas Block Bead Blasted Stainless Steel
Vendor:Ballistic AdvantageRegular price $266.06 USDRegular price$311.93 USDSale price $266.06 USDSale -
Cmmg 28b940ctng Dissent Mk4 22arc 16.1 Tung
Vendor:CMMG, IncRegular price $1,448.55 USDRegular price$1,698.30 USDSale price $1,448.55 USDSale -
Cmmg 28b940cti Dissent 22 Arc 16.10" 6061-t6 Aluminum
Vendor:CMMG, IncRegular price $1,448.55 USDRegular price$1,698.30 USDSale price $1,448.55 USDSale -
Cmmg 28b940csg Dissent Mk4 22arc 16.1 Sngry
Vendor:CMMG, IncRegular price $1,448.55 USDRegular price$1,698.30 USDSale price $1,448.55 USDSale -
Faxon Firearms 10A863C16NGQ Big Gunner 8.6 Blackout 16" Target Crown Steel Salt Bath Nitride 4150 Steel Barrel Fits AR10
Vendor:Faxon FirearmsRegular price $256.56 USDRegular price$300.80 USDSale price $256.56 USDSale -
Rock 350L0326 350 Legend Car SS HALFHP Upper
Vendor:Rock River ArmsRegular price $783.00 USDRegular price$918.00 USDSale price $783.00 USDSale -
CMMG 55BB40Bab Resolute MK4 5.56X45mm Nato 16.10", Armor Black, M-LOK Free-Float Handguard For AR-Platform (FALSE BCG Or Ch
Vendor:CMMG, IncRegular price $584.23 USDRegular price$684.96 USDSale price $584.23 USDSale -
CMMG 30B0E67Ab Dissent MK4 300 Blackout 6.50", Left Side Charging Handle, Armor Black, OEM Zeroed Linear Comp, 4.60" M-L
Vendor:CMMG, IncRegular price $1,448.23 USDRegular price$1,697.93 USDSale price $1,448.23 USDSale -
Proof Research 100530 Ar-style Barrel 300 Blackout 12.50" Pistol Length Gas System 1:7" Twist 5 Grooves, 5/8"-24 Tpi, St
Vendor:Proof ResearchRegular price $696.00 USDRegular price$816.00 USDSale price $696.00 USDSale -
Diamondback Oem Replacement 5.56x45mm Nato 16" Carbine-length Black Nitride 4150 Chrome Moly Vanadium Steel
Vendor:Diamondback FirearmsRegular price $118.90 USDRegular price$139.40 USDSale price $118.90 USDSale -
TacFire AR Barrel 308 Win 20" Black Nitride For AR-10
Vendor:TacFireRegular price $164.40 USDRegular price$192.75 USDSale price $164.40 USDSale -
Patriot Ordnance Factory Renegade + Complete Upper 300 Blackout 10.50" Nitride Barrel Aluminum AFALSEdized Rece
Vendor:Patriot OrdnanceRegular price $1,185.40 USDRegular price$1,389.78 USDSale price $1,185.40 USDSale