AR Parts

Compare ar parts prices from top retailers. Find the best deals across all major brands.

Top AR Parts Brands

Guntec USA 1,091 Palmetto State Armory 826 Aero Precision 796 CMMG 535 Tiger Rock 387 TacFire 359

AR Parts Calibers

5.56x45mm NATO 5,503 223 Remington 2,390 308 Winchester 1,769 300 Blackout 1,032 9mm Luger 971 223 Wylde 760

All AR Parts Products (26,280 results)

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Proof Research PXT PR15 AR-15 Barrel 223 Wylde 20" Standard Contour 1:7" Twist Carbon Fiber - Proof Research

Proof Research PXT PR15 AR-15 Barrel 223 Wylde 20" Standard Contour 1:7" Twist Carbon Fiber

● Availability Unknown

Proof Research AR Steel .338 ARC Threaded Rifle Barrel 14.5 inch Pistol Length 1-8 Twist 5/8-24 Stainless Steel - Proof Research

Proof Research AR Steel .338 ARC Threaded Rifle Barrel 14.5 inch Pistol Length 1-8 Twist 5/8-24 Stainless Steel

$480.00 $649.00

● In Stock

Proof Research AR Steel .338 ARC Threaded Rifle Barrel 12 inch Pistol Length 1-8 Twist 5/8-24 Stainless Steel - Proof Research

Proof Research AR Steel .338 ARC Threaded Rifle Barrel 12 inch Pistol Length 1-8 Twist 5/8-24 Stainless Steel

● Availability Unknown

PROOF Research AR-15 20" Rifle-Length Gas .223 Wylde 1:7 Stainless Steel Barrel - Proof Research

PROOF Research AR-15 20" Rifle-Length Gas .223 Wylde 1:7 Stainless Steel Barrel

$549.99 $649.00

● In Stock

PROOF Research AR-15 18" Rifle-Length Gas .223 Wylde 1:8 Stainless Steel Barrel - Proof Research

PROOF Research AR-15 18" Rifle-Length Gas .223 Wylde 1:8 Stainless Steel Barrel

● In Stock

PROOF Research AR-15 18" Rifle-Length Gas .223 Wylde 1:7 Stainless Steel Barrel - Proof Research

PROOF Research AR-15 18" Rifle-Length Gas .223 Wylde 1:7 Stainless Steel Barrel

● In Stock

Proof Research AR Steel .223 Wylde Threaded Rifle Barrel 16 inch Mid Length 1-8 Twist 5/8-24 Stainless Steel - Proof Research

Proof Research AR Steel .223 Wylde Threaded Rifle Barrel 16 inch Mid Length 1-8 Twist 5/8-24 Stainless Steel

● Out of Stock

Proof Research Carbon AR .22 ARC Threaded Rifle Barrel 16 inch Rifle Length 1-7 Twist 5/8-24 Carbon - Proof Research

Proof Research Carbon AR .22 ARC Threaded Rifle Barrel 16 inch Rifle Length 1-7 Twist 5/8-24 Carbon

● Out of Stock

Proof Research AR-15 Barrel 223 Wylde 20" 1:8" Twist Carbon Fiber - Proof Research

Proof Research AR-15 Barrel 223 Wylde 20" 1:8" Twist Carbon Fiber

● In Stock

Proof Research Carbon AR .223 Wylde Threaded Rifle Barrel 14.5 inch Mid Length 1-8 Twist 5/8-24 Carbon - Proof Research

Proof Research Carbon AR .223 Wylde Threaded Rifle Barrel 14.5 inch Mid Length 1-8 Twist 5/8-24 Carbon

● In Stock

Ar-15 22 Arc Stainless Steel Rifle Barrel - Ar-15 22 Arc 22'''' Standard 1-7 Twist Stainless Steel Barrel - Proof Research

Ar-15 22 Arc Stainless Steel Rifle Barrel - Ar-15 22 Arc 22'''' Standard 1-7 Twist Stainless Steel Barrel

● Out of Stock

Ar-15 22 Arc Stainless Steel Rifle Barrel - Ar-15 22 Arc 20'''' Standard 1-7 Twist Stainless Steel Barrel - Proof Research

Ar-15 22 Arc Stainless Steel Rifle Barrel - Ar-15 22 Arc 20'''' Standard 1-7 Twist Stainless Steel Barrel

● Out of Stock

Ar-15 22 Arc Stainless Steel Rifle Barrel - Ar-15 22 Arc 18'''' Standard 1-7 Twist Stainless Steel Barrel - Proof Research

Ar-15 22 Arc Stainless Steel Rifle Barrel - Ar-15 22 Arc 18'''' Standard 1-7 Twist Stainless Steel Barrel

● Out of Stock

Ar-15 22 Arc Stainless Steel Rifle Barrel - Ar-15 22 Arc 16'''' Standard 1-7 Twist Stainless Steel Barrel - Proof Research

Ar-15 22 Arc Stainless Steel Rifle Barrel - Ar-15 22 Arc 16'''' Standard 1-7 Twist Stainless Steel Barrel

● Out of Stock

Proof Research Q Fix Carbon Pre-Fit Barrels 6.5CM 20in 8 Twist 5/8-24 Thread - Proof Research

Proof Research Q Fix Carbon Pre-Fit Barrels 6.5CM 20in 8 Twist 5/8-24 Thread

● In Stock

Proof Research AR-Type Barrel Steel 6 CM 22 inch Rifle+3 Length 1/7.5 Twist 5/8-24 Thread Silver - Proof Research

Proof Research AR-Type Barrel Steel 6 CM 22 inch Rifle+3 Length 1/7.5 Twist 5/8-24 Thread Silver

● Availability Unknown

PROOF Research AR-15 20" Rifle-Length Gas .223 Wylde 1:7 Carbon Fiber-Wrapped Barrel - Proof Research

PROOF Research AR-15 20" Rifle-Length Gas .223 Wylde 1:7 Carbon Fiber-Wrapped Barrel

● In Stock

PROOF Research AR-15 16" Intermediate-Length Gas .223 Wylde 1:8 Stainless Steel Barrel - Proof Research

PROOF Research AR-15 16" Intermediate-Length Gas .223 Wylde 1:8 Stainless Steel Barrel

● In Stock

Ar-15 22 Nosler Carbon Fiber Barrel - 22 Nosler 1-8 Twist 22'''' Carbon Fiber Barrel - Proof Research

Ar-15 22 Nosler Carbon Fiber Barrel - 22 Nosler 1-8 Twist 22'''' Carbon Fiber Barrel

● Out of Stock

Ar-15 223 Wylde Stainless Steel Barrel - 223 Wylde 1-8 Twist 18'''' Stainless Steel Barrel - Proof Research

Ar-15 223 Wylde Stainless Steel Barrel - 223 Wylde 1-8 Twist 18'''' Stainless Steel Barrel

● Out of Stock

ROCK RIVER ARMS AR-15 A4 Complete Upper Receiver 223 Rem(Wylde) - Rock River Arms

Rock River Arms

ROCK RIVER ARMS AR-15 A4 Complete Upper Receiver 223 Rem(Wylde)

● Out of Stock

Rock River Arms AR-15 RRAGE Complete Upper Receiver 5.56x45 NATO 7" Chrome Moly Barrel M-LOK Handguard Black - Rock River Arms

Rock River Arms

Rock River Arms AR-15 RRAGE Complete Upper Receiver 5.56x45 NATO 7" Chrome Moly Barrel M-LOK Handguard Black

● Availability Unknown

Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 4.5" Chrome Moly Barrel 4.25" M-LOK Handguard Black - Rock River Arms

Rock River Arms

Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 4.5" Chrome Moly Barrel 4.25" M-LOK Handguard Black

$589.99 $644.99

● In Stock

Rock River Arms AR-15 A4 Complete Upper Receiver 22 Long Rifle 20" Stainless Steel Barrel 13" Handguard Black - Rock River Arms

Rock River Arms

Rock River Arms AR-15 A4 Complete Upper Receiver 22 Long Rifle 20" Stainless Steel Barrel 13" Handguard Black

● Availability Unknown