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Optics Planet Updated Aug 29, 2026

17% OFF

Rock River Arms Completed Upper Receiver Operator ETR .308/7.62x51mm 16 Inch Barrel 1-10 Twist Mid-Length Profile 5/8-24 Threat Free-Float Handguard

$749.99 $900.00

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Optics Planet Updated Aug 29, 2026

17% OFF

Rock River Arms Rock River Arms Completed Upper Receiver CLB .458 SOCOM 16 Inch Barrel 1-14 Twist 5/8-32 Threat Free-Float Handguard Brake Black - $719.99 at Optics Planet

Rock River Arms Completed Upper Receiver CLB .458 SOCOM 16 Inch Barrel 1-14 Twist 5/8-32 Threat Free-Float Handguard Brake Black

$719.99 $865.00

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Optics Planet Updated Aug 29, 2026

15% OFF

Rock River Arms Rock River Arms Completed Upper Receiver Carbine .350 Legend 16 Inch Barrel 1-16 Twist 1/2-36 Thread Free-Float Handguard Brake Black - $595.99 at Optics Planet

Rock River Arms Completed Upper Receiver Carbine .350 Legend 16 Inch Barrel 1-16 Twist 1/2-36 Thread Free-Float Handguard Brake Black

$595.99 $705.00

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Optics Planet Updated Aug 29, 2026

8% OFF

Rock River Arms Rock River Arms Completed Upper Receiver Entry Tactical A4 .223/5.56mm 16 Inch Barrel 1-9 Twist 1/2-28 Thread R4 Handguard A2 Flash Hider Black - $579.99 at Optics Planet

Rock River Arms Completed Upper Receiver Entry Tactical A4 .223/5.56mm 16 Inch Barrel 1-9 Twist 1/2-28 Thread R4 Handguard A2 Flash Hider Black

$579.99 $630.00

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Optics Planet Updated Aug 29, 2026

4% OFF

Rock River Arms Rock River Arms Completed Upper Receiver Tactical Carbine .22 Long Rifle 16 Inch Barrel 1-16 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider - $469.99 at Optics Planet

Rock River Arms Completed Upper Receiver Tactical Carbine .22 Long Rifle 16 Inch Barrel 1-16 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider

$469.99 $490.00

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Optics Planet Updated Aug 29, 2026

13% OFF

Rock River Arms Rock River Arms Completed Upper Receiver A4 9MM Luger 10.5 Inch Barrel 1-10 Twist 1/2-36 Thread R4 Handguard A2 Flash Hider Black - $469.99 at Optics Planet

Rock River Arms Completed Upper Receiver A4 9MM Luger 10.5 Inch Barrel 1-10 Twist 1/2-36 Thread R4 Handguard A2 Flash Hider Black

$469.99 $540.00

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MidwayUSA Updated Aug 29, 2026

19% OFF

Rock River Arms Rock River Arms LR-308 Complete Upper Receiver 308 Winchester 20" Barrel A2 Handguard - $538.78 at MidwayUSA

Rock River Arms LR-308 Complete Upper Receiver 308 Winchester 20" Barrel A2 Handguard

$538.78 $664.99

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MidwayUSA Updated Aug 29, 2026

16% OFF

Rock River Arms Rock River Arms AR-15 A4 Complete Upper Receiver 9mm Luger 16" Chrome Moly Barrel 6" Handguard Black - $393.78 at MidwayUSA

Rock River Arms AR-15 A4 Complete Upper Receiver 9mm Luger 16" Chrome Moly Barrel 6" Handguard Black

$393.78 $467.99

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MidwayUSA Updated Aug 29, 2026

17% OFF

Rock River Arms Rock River Arms AR-15 Mountain Complete Upper Receiver 223 Remington (Wylde) 10.5" Chrome Moly Barrel 9.5" Handguard Black - $454.17 at MidwayUSA

Rock River Arms AR-15 Mountain Complete Upper Receiver 223 Remington (Wylde) 10.5" Chrome Moly Barrel 9.5" Handguard Black

$454.17 $549.99

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MidwayUSA Updated Aug 29, 2026

17% OFF

Rock River Arms Rock River Arms AR-15 Coyote Complete Upper Receiver 223 Wylde 20" Chrome Moly Barrel 15" M-LOK Handguard Black - $576.17 at MidwayUSA

Rock River Arms AR-15 Coyote Complete Upper Receiver 223 Wylde 20" Chrome Moly Barrel 15" M-LOK Handguard Black

$576.17 $697.99

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MidwayUSA Updated Aug 29, 2026

4% OFF

Rock River Arms Rock River Arms AR-15 Varmint A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel M-LOK Handguard Black - $621.46 at MidwayUSA

Rock River Arms AR-15 Varmint A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel M-LOK Handguard Black

$621.46 $649.99

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MidwayUSA Updated Aug 29, 2026

13% OFF

Rock River Arms Rock River Arms AR-15 Fred Eichler Series Predator Complete Upper Receiver 223 Wylde 16" Stainless Steel Barrel 14" Handguard Black - $713.92 at MidwayUSA

Rock River Arms AR-15 Fred Eichler Series Predator Complete Upper Receiver 223 Wylde 16" Stainless Steel Barrel 14" Handguard Black

$713.92 $818.99

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MidwayUSA Updated Aug 29, 2026

4% OFF

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 - $925.12 at MidwayUSA

Rock River Arms LR-308 Predator HP Complete Upper Receiver 308 Winchester, 7.62x51mm NATO 20" Stainless Steel Barrel 17" M-LOK Handguard Black

$925.12 $967.99

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MidwayUSA Updated Aug 29, 2026

5% OFF

Rock River Arms Rock River Arms AR-15 A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel 15" Handguard with A2 Front Sight Black - $750.41 at MidwayUSA

Rock River Arms AR-15 A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel 15" Handguard with A2 Front Sight Black

$750.41 $785.99

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