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Categories:    Pistol Uppers, RRA Custom Uppers
Rock River Arms 10.5 Inch - CHROME LINED - Basic Upper

The Rock River Arms 10.5 Inch - CHROME LINED - Basic Upper features a Rock River Arms 10.5 Inch, CMV, chrome-lined, HBAR barrel, chambered in 5.56 NATO with a 1:7 twist, carbine length gas system, front sight post with sling swivel and bayonet lug, and a 1/2-28 threaded muzzle.  Built on a Rock River Arms forged flattop receiver with CAR length plastic handguards and an A2 flash hider.

These are assembled and test fired by PK Firearms.

Complete with Rock River Arms AR-15 bolt carrier group and forged charging handle.

ALL NFA RULES APPLY.  CLICK HERE FOR MORE INFO

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $579.00
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Categories:    RRA Custom Uppers, Pistol Uppers
Rock River Arms 10.5 Inch - CHROME LINED - Troy 7.2 Inch Bravo Rail

The Rock River Arms 10.5 Inch - CHROME LINED - Troy 7.2 Inch Bravo Rail Upper features a Rock River Arms 10.5 Inch, CMV, chrome-lined, HBAR barrel, chambered in 5.56 NATO with a 1:7 twist, carbine length gas system, front sight post with sling swivel and bayonet lug, and a 1/2-28 threaded muzzle.  Built on a Rock River Arms forged flattop receiver with a Troy 7.2 Inch Bravo Rail and an A2 flash hider.

These are assembled and test fired by PK Firearms.

Complete with Rock River Arms AR-15 bolt carrier group and forged charging handle.

ALL NFA RULES APPLY.  CLICK HERE FOR MORE INFO

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $689.00
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Categories:    Pistol Uppers, RRA Custom Uppers
Rock River Arms 10.5 inch - CHROME-LINED - Single Rail Gas Block Upper

The Rock River Arms 10.5 Inch - CHROME LINED - Single Rail Gas Block Upper features a Rock River Arms 10.5 Inch, CMV, chrome-lined, HBAR barrel, chambered in 5.56 NATO with a 1:7 twist, carbine length gas system and 1/2-28 threaded muzzle.  Built on a Rock River Arms forged flattop receiver with CAR length plastic handguards, single rail gas block with sling swivel and an A2 flash hider.

These are assembled and test fired by PK Firearms.

Complete with Rock River Arms AR-15 bolt carrier group and forged charging handle.

ALL NFA RULES APPLY.  CLICK HERE FOR MORE INFO

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $589.00
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Category:    RRA Custom Uppers
Rock River Arms 16 Inch - CAR - CHROME-LINED - HBAR - Troy 11 Inch Bravo SDMR Keymod Rail

The Rock River Arms 16 inch - CAR - CHROME LINED - HBAR - Troy 11 inch Bravo SDMR Keymod Rail upper features a Rock River Arms 16 inch chrome lined, HBAR contour barrel chambered in 5.56 NATO with a 1:9 twist, carbine length gas system and 1/2-28 threaded muzzle.  Built on an RRA forged flat top receiver with a Troy 11 inch Bravo SDMR Keymod rail, lo-pro gas block and an A2 flash hider.

These are assembled and test fired by PK Firearms.

Complete with RRA AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $739.00
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Category:    RRA Custom Uppers
Rock River Arms 16 inch - CAR - CHROME LINED - HBAR - Troy 13 inch Bravo SDMR Keymod Rail

The Rock River Arms 16 inch - CAR - CHROME LINED - HBAR - Troy 13 inch Bravo SDMR Keymod Rail upper features a Rock River Arms 16 inch chrome lined, HBAR contour barrel chambered in 5.56 NATO with a 1:9 twist, carbine length gas system and 1/2-28 threaded muzzle.  Built on an RRA forged flat top receiver with a Troy 13 inch Bravo SDMR Keymod rail, lo-pro gas block and an A2 flash hider.

These are assembled and test fired by PK Firearms.

Complete with RRA AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $749.00
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Category:    RRA Custom Uppers
Rock River Arms 16 inch - CAR - CHROME LINED - HBAR - Troy 11 inch Alpha Rail with FRONT FLIP SIGHT

The Rock River Arms 16 inch - CAR - CHROME LINED - HBAR - Troy 11 inch Alpha Rail with FRONT FLIP SIGHT upper features a Rock River Arms 16 inch chrome lined, HBAR contour barrel chambered in 5.56 NATO with 1:9 twist, carbine length gas system and 1/2-28 threaded muzzle.  Built on an RRA forged flat top receiver with a Troy 11 inch Alpha Rail with integrated front flip sight,  lo-pro gas block and an A2 flash hider.  Includes three accessory rails for Troy 11 Inch Alpha.

These are assembled and test fired by PK Firearms.

Complete with RRA AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $709.00
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Category:    RRA Custom Uppers
Rock River Arms 16 Inch - CAR - CHROME LINED - HBAR - Troy 11 Inch Bravo Rail

The Rock River Arms 16 Inch - CAR - CHROME LINED - HBAR - Troy 11 Inch Bravo Rail Upper features a Rock River Arms 16 inch, chrome-lined HBAR barrel, chambered in 5.56 NATO with a 1:9 twist, carbine length gas system, and a 1/2-28 threaded muzzle.  Built on an RRA flat top receiver with Troy 11 inch Bravo rail, and an A2 flash hider.

These are assembled and test fired by PK Firearms.

Complete with RRA AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $669.00
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Category:    RRA Custom Uppers
Rock River Arms 16 Inch - CAR - CHROME LINED - HBAR - Troy 13 Inch Bravo Rail

The Rock River Arms 16 Inch - CAR - CHROME LINED - HBAR - Troy 13 Inch Bravo Rail Upper features a Rock River Arms 16 inch, chrome-lined HBAR barrel, chambered in 5.56 NATO with a 1:9 twist, carbine length gas system, and a 1/2-28 threaded muzzle.  Built on an RRA flat top receiver with Troy 13 inch Bravo rail, and an A2 flash hider.

These are assembled and test fired by PK Firearms.

Complete with RRA AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $679.00
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Category:    RRA Custom Uppers
Rock River Arms 16 Inch - CAR - CHROME-LINED - HBAR - Noveske NSR-11 Rail

The Rock River Arms 16 Inch CAR - CHROME-LINED - HBAR - Noveske NSR-11 Rail Upper features a Rock River Arms 16 inch chrome moly vanadium, chrome-lined, HBAR barrel chambered in 5.56 NATO with a carbine length gas system, 1:9 twist and 1/2-28 threaded muzzle.  Built on an RRA flat top receiver with a Noveske NSR-11 rail and an A2 flash hider.

These are assembled and test fired by PK Firearms. 

Complete with RRA AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $749.00
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Category:    RRA Custom Uppers
Rock River Arms 16 Inch - CAR - CHROME-LINED - HBAR - RRA TRO Mid Rail

The Rock River Arms 16 Inch CAR - CHROME-LINED - HBAR - RRA TRO Mid Rail Upper features a Rock River Arms 16 inch chrome moly vanadium, chrome-lined, HBAR barrel chambered in 5.56 NATO with a carbine length gas system, 1:9 twist and 1/2-28 threaded muzzle.  Built on an RRA flat top receiver with an RRA TRO Mid rail and an A2 flash hider.

These are assembled and test fired by PK Firearms. 

Complete with RRA AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $659.00
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Category:    RRA Custom Uppers
Rock River Arms 16 Inch - MID - CHROME-LINED - LIGHTWEIGHT - YHM-9635 DX Rail - Smith Vortex

The Rock River Arms 16 Inch - MID - CHROME-LINED - LIGHTWEIGHT - YHM-9635 DX Rail - Smith Vortex upper features a Rock River Arms 16 inch CMV, chrome-lined, lightweight profile barrel chambered in 5.56 NATO with a 1:9 twist, midlength gas system, and a 1/2-28 threaded muzzle.  Built on a Rock River Arms flat top receiver with a YHM 9635 DX Rifle length quad rail, low profile gas block, and a Smith Vortex flash hider.

These are assembled and test fired by PK Firearms. 

Complete with RRA AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $679.00
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Category:    RRA Custom Uppers
Rock River Arms 16 Inch - MID - CHROME-LINED - LIGHTWEIGHT - YHM-5008 TJ Rail

The Rock River Arms 16 Inch - CHROME-LINED - LIGHTWEIGHT - YHM-5008 TJ Rail upper features a Rock River Arms 16 inch CMV, chrome-lined, lightweight profile barrel, chambered in 5.56 NATO with a 1:9 twist, midlength gas system, and a 1/2-28 threaded muzzle.  Built on a Rock River Arms flat top receiver with a YHM 5008 TJ Rifle length quad rail, low profile gas block, and an A2 flash hider.

These are assembled and test fired by PK Firearms. 

Complete with RRA AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $679.00
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Category:    RRA Custom Uppers
Rock River Arms 16 Inch - MID - CHROME-LINED - LIGHTWEIGHT - Single Rail Gas Block

The Rock River Arms 16 Inch - MID - CHROME-LINED - LIGHTWEIGHT - Single Rail Gas Block upper features a Rock River Arms 16 inch CMV, chrome-lined, lightweight profile barrel chambered in 5.56 NATO with a 1:9 twist, midlength gas system, and a 1/2-28 threaded muzzle.  Built on a Rock River Arms flat top receiver with a midlength plastic handguard, RRA single rail gas block, and an A2 flash hider.

These are assembled and test fired by PK Firearms. 

Complete with RRA AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $599.00
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Category:    RRA Custom Uppers
Rock River Arms 16 Inch - MID - CHROME-LINED - LIGHTWEIGHT - Noveske NSR-11 Rail

The Rock River Arms 16 Inch - MID - CHROME-LINED - LIGHTWEIGHT - Noveske NSR-11 Rail upper features a Rock River Arms 16 inch CMV, chrome-lined, lightweight profile barrel, chambered in 5.56 NATO with a 1:9 twist, midlength gas system, and a 1/2-28 threaded muzzle.  Built on a Rock River Arms flat top receiver with a Noveske NSR-11 rail, low profile gas block, and an A2 flash hider.

These are assembled and test fired by PK Firearms. 

Complete with RRA AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $749.00
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Category:    RRA Custom Uppers
Rock River Arms 16 Inch - MID - CHROME-LINED - LIGHTWEIGHT - YHM-9394 Front Flip Sight

The Rock River Arms 16 Inch - MID - CHROME-LINED - LIGHTWEIGHT - YHM-9394 Front Flip Sight upper features a Rock River Arms 16 inch CMV, chrome-lined, lightweight profile barrel chambered in 5.56 NATO with a 1:9 twist, midlength gas system, and a 1/2-28 threaded muzzle.  Built on a Rock River Arms flat top receiver with a midlength plastic hanguard, YHM-9394 front flip sight gas block, and an A2 flash hider.

These are assembled and test fired by PK Firearms. 

Complete with RRA AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $619.00
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Category:    RRA Custom Uppers
Rock River Arms 16 Inch - MID - CHROME-LINED - LIGHTWEIGHT - Troy MRF-MX 10 Inch Quad Rail

The Rock River Arms 16 Inch - CHROME-LINED - LIGHTWEIGHT - Troy MRF-MX 10 Inch Quad Rail upper features a Rock River Arms 16 inch CMV, chrome-lined, lightweight profile barrel chambered in 5.56 NATO with a 1:9 twist, midlength gas system, and a 1/2-28 threaded muzzle.  Built on a Rock River Arms flat top receiver with a Troy MRF-MX 10 Inch quad rail, low profile gas block, and an A2 flash hider.

These are assembled and test fired by PK Firearms. 

Complete with RRA AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $649.00
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Category:    RRA Custom Uppers
Rock River Arms 16 Inch - MID - CHROME LINED - LIGHTWEIGHT - VLTOR VIS 2A-AK Rail

The Rock River Arms 16 Inch - MID - CHROME LINED - LIGHTWEIGHT - VLTOR  VIS 2A-AK Rail Upper features a Rock River Arms 16 Inch, CMV, chrome-lined, lightweight profile barrel, chambered in 5.56 NATO with a 1:9 twist, mid-length gas system, and a 1/2-28 threaded muzzle.  Built on a Vltor VIS 2A-AK extended midlength upper receiver / rail with an A2 flash hider. 

These are assembled and test fired by PK Firearms.

Complete with Rock River Arms AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $899.00
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Category:    RRA Custom Uppers
Rock River Arms 20 Inch - HBAR - Noveske NSR 16.7 Rail

The Rock River Arms 20 Inch - HBAR - Noveske NSR 16.7 Rail upper features a Rock River Arms 20 Inch HBAR barrel, chambered in .223 Wylde with a 1:9 twist, rifle length gas system, and a 1/2-28 threaded muzzle.  Built on a Rock River Arms forged A3 flattop receiver with a low profile gas block, Noveske NSR 16.7 Rail, and an A2 flash hider.

These are assembled and test fired by PK Firearms. 

Complete with RRA AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $779.00
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Category:    RRA Custom Uppers
Rock River Arms 20 Inch - HBAR - RRA TRO XL Rail

The Rock River Arms 20 Inch - HBAR - RRA TRO XL Rail upper features a Rock River Arms 20 Inch HBAR barrel, chambered in .223 Wylde with a 1:9 twist, rifle length gas system, and a 1/2-28 threaded muzzle.  Built on a Rock River Arms forged A3 flattop receiver with a low profile gas block, Rock River Arms TRO XL rail, and an A2 flash hider.

These are assembled and test fired by PK Firearms. 

Complete with RRA AR-15 bolt carrier group and forged charging handle.

FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE

Our Price: each $659.00
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PK Firearms • Shelbyville, IL 62565 • Phone: (217) 774-5810Fax: (217) 774-5814 • Email: Sales

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