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Rock River Arms 18 Inch Fluted – YHM 5320 MR7 Rail

$625.00
SKU: 
5140

The Rock River Arms 18 Inch Fluted – YHM 5320 MR7 Rail upper features a Rock River Arms 18 inch, fluted, chrome moly 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 Rock River Arms flat top receiver with a YHM 5320 MR7 M-LOK rail and an A2 flash hider.

These are assembled and test fired by PK Firearms.

Complete with M16 bolt carrier group and forged charging handle.



Rock River Arms 18 Inch Fluted – YHM 5155 Slant Rail

$685.00
SKU: 
5141

The Rock River Arms 18 Inch Fluted – YHM 5155 Slant Rail upper features a Rock River Arms 18 inch, fluted, chrome moly barrel, chambered in 5.56 NATO with a 1:9 twist, mid legth gas system, and a 1/2-28 threaded muzzle. Built on a Rock River Arms flat top receiver with a YHM 5155 Slant rail and an A2 flash hider.

These are assembled and test fired by PK Firearms.

Complete with M16 bolt carrier group and forged charging handle.



Daniel Defense - 10.3 Inch – Daniel Defense MFR XL 10.0 M-LOK Rail - Noveske KX5 Flash Suppressor

$829.00
SKU: 
5182

The Daniel Defense - 10.3 Inch - Daniel Defense MFR XL 10.0 M-LOK Rail - Noveske KX5 Flash Suppressor upper features a Daniel Defense 10.3 inch, CMV (Chrome Moly Vanadium) CHF (Cold Hammer Forged), chrome-lined barrel, chambered in 5.56 NATO with a 1:7 twist, carbine length gas system and a 1/2-28 threaded muzzle.  Built on a milspec A3 flat top receiver with M4 feed ramps, low profile gas block, Daniel Defense MFR XL 10.0 M-LOK Rail, and a Noveske KX5 Flash Suppressor.



Rock River Arms - 16" MID Fluted CMV – Troy 11” SDMR Rail – Smith Vortex

$695.00
SKU: 
5183

The Rock River Arms - 16" MID Fluted CMV – Troy 11” SDMR Rail – Smith Vortex complete upper features a Rock River Arms 16" Fluted CMV barrel with NO Chrome Lining, in 5.56 NATO, 1/9 twist, Mid-length gas system, 1/2x28 threaded muzzle.  Built on a Milspec Forged upper receiver using milspec parts with a Troy SDMR 11” free floating rail, lo-pro gas block and a Smith Vortex Flash Hider.

These are assembled and test fired by PK Firearms.

Complete with M-16 bolt carrier group and forged charging handle.



Ballistic Advantage 10.3” – YHM 5140 Rail

$594.00
SKU: 
5190

The Ballistic Advantage 10.3” – YHM 5140 Rail Upper features a Ballistic Advantage, Performance Series, Hanson Profile Barrel chambered in 5.56NATO with a 1:7 twist, carbine length gas system, and a 1/2x28 threaded muzzle.  Built on an M4 ramped, milspec flattop receiver with a lo-pro gas block, YHM 5140 rail and a A2 flash hider.

These are assembled and test fired by PK Firearms.

Complete with M-16 bolt carrier group and forged charging handle. 



Ballistic Advantage 10.3” – Daniel Defense Slim 9.0” Rail

$645.00
SKU: 
5191

The Ballistic Advantage 10.3” – Daniel Defense Slim 9.0” Rail Upper features a Ballistic Advantage, Performance Series, Hanson Profile Barrel chambered in 5.56NATO with a 1:7 twist, carbine length gas system, and a 1/2x28 threaded muzzle.  Built on an M4 ramped, milspec flattop receiver with a lo-pro gas block, Daniel Defense Slim 9.0” rail and a A2 flash hider.

These are assembled and test fired by PK Firearms.

Complete with M-16 bolt carrier group and forged charging handle. 



Ballistic Advantage 10.3” – Geissele 9.3” MK14 Rail

$695.00
SKU: 
5192

The Ballistic Advantage 10.3” – Geissele 9.3” MK14 Rail Upper features a Ballistic Advantage, Performance Series, Hanson Profile Barrel chambered in 5.56NATO with a 1:7 twist, carbine length gas system, and a 1/2x28 threaded muzzle.  Built on an M4 ramped, milspec flattop receiver with a lo-pro gas block, Geissele 9.3” MK14 rail and a A2 flash hider.

These are assembled and test fired by PK Firearms.

Complete with M-16 bolt carrier group and forged charging handle. 



Ballistic Advantage 16 Inch Modern Series – VLTOR 12 Inch KM Freedom Rail Upper

$595.00
SKU: 
6015

The Ballistic Advantage 16 Inch Modern Series – VLTOR 12 Inch KM Freedom Rail Upper features a Ballistic Advantage 16 inch Government Profile Mid-Length Modern Series Barrel chambered in 5.56mm, machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish, a 1/7 twist and 1/2x24 threaded muzzle. Built on an M4 ramped, milspec flattop receiver with a lo-pro gas block, a VLTOR 12 inch Keymod Freedom rail and a A2 flash hider.

These are built and test fired by PK Firearms.



Noveske 10.5 inch 300BLK – Noveske NSR 9 Keymod

$859.00
SKU: 
6022

The Noveske 10.5 inch 300BLK – Noveske NSR 9 Keymod upper features a Noveske 10.5 inch 300 AAC Blackout, stainless barrel with 1:7 twist improved polygonal rifling, Noveske 300 Blackout match chamber, extended feed ramps, bead-blasted finish, pistol length gas system, pinned low-profile gas block, in a medium contour with a 5/8-24 threaded muzzle.  Built on a mil-spec flat top receiver with M4 feed ramps, Noveske NSR 9 Keymod Rail, and a A2 flash hider.

These are assembled and test fired by PK Firearms.


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