ArmsAgora logo Loadout Loadout

Gun Parts

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

Top Gun Parts Brands

Boyds Hardwood Gunstocks 9,818Centennial Defense Systems 8,857Hogue 5,105Toni System 2,469Bsf Barrels 2,038Guntec USA 1,865

Gun Parts Calibers

9mm Luger 13,2835.56x45mm NATO 4,77412 Gauge 3,243308 Winchester 2,979223 Remington 2,67545 ACP 2,576
All Gun Parts Products (93,845 results)
Rock River Arms AR-15 Varmint A4 Complete Upper Receiver 223 Wylde 24" Stainless Steel Barrel 20" M-LOK Handguard Black - Rock River Arms
▼ 9%
Rock River Arms
Rock River Arms AR-15 Varmint A4 Complete Upper Receiver 223 Wylde 24" Stainless Steel Barrel 20" M-LOK Handguard Black
$599.24 $659.99
● In Stock
Rock River Arms AR-15 Varmint A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel M-LOK Handguard Black - Rock River Arms
▼ 11%
Rock River Arms
Rock River Arms AR-15 Varmint A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel M-LOK Handguard Black
$552.49 $619.99
● In Stock
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 16" Barrel 11" M-LOK Handguard - Rock River Arms
▼ 9%
Rock River Arms
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 16" Barrel 11" M-LOK Handguard
$609.99 $668.99
● Availability Unknown
Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 20" Chrome Moly Barrel 14" Handguard Black - Rock River Arms
▼ 15%
Rock River Arms
Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 20" Chrome Moly Barrel 14" Handguard Black
$418.19 $489.99
● In Stock
Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 16" Chrome Moly Barrel M-LOK Handguard Black - Rock River Arms
Rock River Arms
Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 16" Chrome Moly Barrel M-LOK Handguard Black
$488.49 $488.99
● Availability Unknown
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 16" Barrel A2 Front Sight - Rock River Arms
MSRP
Rock River Arms
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 16" Barrel A2 Front Sight
$450.49
● Availability Unknown
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 10.5" Barrel - Rock River Arms
▼ 7%
Rock River Arms
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 10.5" Barrel
$529.99 $570.00
● Availability Unknown
Rock River Arms
WORN RRA AR0169U FLIP UP REAR SIGHT
$52.20
● Out of Stock
Rock River Arms Lightweight Aluminum Handguard 9.25 in Free Floating Black - Rock River Arms
Rock River Arms
Rock River Arms Lightweight Aluminum Handguard 9.25 in Free Floating Black
$151.20
● Out of Stock
Rock River Arms Lightweight Aluminum Handguard 7.25 in Free Floating Black - Rock River Arms
Rock River Arms
Rock River Arms Lightweight Aluminum Handguard 7.25 in Free Floating Black
$94.56
● Out of Stock
Rock River Arms AR-15 A4 Complete Upper Receiver 9MM Luger 7" Chrome Moly Barrel 6" M-LOK Handguard Black - Rock River Arms
MSRP
Rock River Arms
Rock River Arms AR-15 A4 Complete Upper Receiver 9MM Luger 7" Chrome Moly Barrel 6" M-LOK Handguard Black
$466.99
● Availability Unknown
Rock River Arms AR-15 A4 Complete Upper Receiver 9mm Luger 10.5" Chrome Moly Barrel 6" Handguard Black - Rock River Arms
▼ 7%
Rock River Arms
Rock River Arms AR-15 A4 Complete Upper Receiver 9mm Luger 10.5" Chrome Moly Barrel 6" Handguard Black
$469.99 $503.99
● Availability Unknown
Rock River Arms AR-15 A4 Complete Upper Receiver 9mm Luger 16" Chrome Moly Barrel 6" Handguard Black - Rock River Arms
▼ 25%
Rock River Arms
Rock River Arms AR-15 A4 Complete Upper Receiver 9mm Luger 16" Chrome Moly Barrel 6" Handguard Black
$338.58 $448.49
● In Stock
Rock River Arms LR-308 Predator HP Complete Upper Receiver 308 Winchester, 7.62x51mm NATO 20" Stainless Steel Barrel 17" M-LOK Handguard Black - Rock River Arms
▼ 7%
Rock River Arms
Rock River Arms LR-308 Predator HP Complete Upper Receiver 308 Winchester, 7.62x51mm NATO 20" Stainless Steel Barrel 17" M-LOK Handguard Black
$899.99 $967.99
● Availability Unknown
Rock River Arms LR-308 Complete Upper Receiver 308 Winchester 20" Barrel A2 Handguard - Rock River Arms
▼ 10%
Rock River Arms
Rock River Arms LR-308 Complete Upper Receiver 308 Winchester 20" Barrel A2 Handguard
$599.99 $664.99
● Availability Unknown
Rock River Arms LR-308 A4 Complete Upper Receiver 308 Winchester, 7.62x51mm NATO 16" Chrome Moly Barrel 11" M-LOK Handguard Black - Rock River Arms
Rock River Arms
Rock River Arms LR-308 A4 Complete Upper Receiver 308 Winchester, 7.62x51mm NATO 16" Chrome Moly Barrel 11" M-LOK Handguard Black
$599.99
● In Stock
Rock River Arms AR-15 Complete Upper Receiver 223 Wylde 18" Barrel 17" M-LOK Handguard - Rock River Arms
▼ 9%
Rock River Arms
Rock River Arms AR-15 Complete Upper Receiver 223 Wylde 18" Barrel 17" M-LOK Handguard
$759.99 $835.99
● Availability Unknown
Rock River Arms AR-15 X-1 Complete Upper Receiver 223 Wylde 18" Stainless Steel Barrel 17" M-LOK Handguard Black - Rock River Arms
MSRP
Rock River Arms
Rock River Arms AR-15 X-1 Complete Upper Receiver 223 Wylde 18" Stainless Steel Barrel 17" M-LOK Handguard Black
$676.59
● Availability Unknown
Rock River Arms LR-308 Complete Upper Receiver 308 Winchester, 7.62x51mm NATO 18" Stainless Steel Barrel 17" M-LOK Handguard Black - Rock River Arms
▼ 7%
Rock River Arms
Rock River Arms LR-308 Complete Upper Receiver 308 Winchester, 7.62x51mm NATO 18" Stainless Steel Barrel 17" M-LOK Handguard Black
$889.99 $961.99
● Availability Unknown
Rock River Arms AR-15 Mountain Complete Upper Receiver 223 Remington (Wylde) 10.5" Chrome Moly Barrel 9.5" Handguard Black - Rock River Arms
MSRP
Rock River Arms
Rock River Arms AR-15 Mountain Complete Upper Receiver 223 Remington (Wylde) 10.5" Chrome Moly Barrel 9.5" Handguard Black
$467.49
● Availability Unknown
Rock River Arms AR-15 R9 Complete Upper Receiver 9mm Luger 16"Stainless Steel Barrel 15" M-LOK Handguard Black - Rock River Arms
▼ 6%
Rock River Arms
Rock River Arms AR-15 R9 Complete Upper Receiver 9mm Luger 16"Stainless Steel Barrel 15" M-LOK Handguard Black
$629.99 $669.99
● Availability Unknown
Rock River Arms AR-15 Complete Upper Receiver 22 Long Rifle 16" Barrel - Rock River Arms
▼ 6%
Rock River Arms
Rock River Arms AR-15 Complete Upper Receiver 22 Long Rifle 16" Barrel
$469.99 $499.80
● Availability Unknown
Rock River Arms Low Profile Gas Block Assembly Black - Rock River Arms
Rock River Arms
Rock River Arms Low Profile Gas Block Assembly Black
$32.94
● Out of Stock
Rock River Arms AR-15 Predator Pursuit Complete Upper Receiver 223 Wylde 16" Stainless Steel Barrel 12.5" M-LOK Handguard Black - Rock River Arms
▼ 3%
Rock River Arms
Rock River Arms AR-15 Predator Pursuit Complete Upper Receiver 223 Wylde 16" Stainless Steel Barrel 12.5" M-LOK Handguard Black
$629.99 $649.99
● Availability Unknown
Stay Connected

Join our newsletter for the latest updates and exclusive deals.

ARMSAGORA

Compare prices on firearms, ammunition, and accessories from hundreds of trusted retailers. Find the best deals, track prices, and build your own loadouts.

Shop
Deals Categories Brands Search
Account
My Armory Loadouts Saved Products
Company
Trusted Retailer Privacy Policy Terms
© 2026 ARMSAGORA. All rights reserved.
Not an FFL licensed dealer. ARMSAGORA is a free product comparison tool. Some links to retailers are affiliate links: we may earn a commission when you buy, at no extra cost to you.