PK Firearms Logo

Your home for AR-15 parts & accessories!

PK Firearms Logo

Rock River Arms 16 Inch - MID - Stainless Steel - HBAR - RRA TRO Mid Rail

$579.00
SKU: 
3137

The Rock River Arms 16 Inch - MID - Stainless Steel - HBAR - RRA TRO Mid Rail Upper features a Rock River Arms 16 inch stainless steel, HBAR barrel, chambered in .223 Wylde, with a mid-length gas system, 1:8 twist and 1/2-28 threaded muzzle.  Built on an RRA flat top receiver with a RRA TRO Mid Rail and an A2 flash hider.



Rock River Arms 20 Inch Varmint Upper

$559.00
SKU: 
3141

Rock River Arms 20 Inch Varmint Upper

The Rock River Arms 20 Inch Varmint A4 Upper features a Rock River Arms 20 inch stainless steel, cryo-treated, air guaged bull barrel chambered in .223 Wylde with a 1:8 twist, rifle length gas system and a target crown muzzle.  Built on a Rock River Arms forged upper receiver with a RRA rifle length aluminum free float handguard with sling stud and a RRA single rail gas block. Option available for Bead Blasted barrel finish add $30.00


Noveske 16 Inch LIGHTWEIGHT - Noveske NSR-11 Rail

$798.00
SKU: 
3150

The Noveske 16 Inch Lightweight - Noveske NSR 11 Rail upper features a Noveske 16 inch Lightweight, stainless steel barrel with a 1:7 twist, improved polygonal rifling, Noveske match Mod0 chamber, extended feed ramps, bead-blasted finish, mid-length gas system, pinned low-profile gas block, in a lightweight contour with a 1/2-28 threaded muzzle.  Built on a milspec flat-top receiver with M4 feed ramps, Noveske NSR 11 rail, and an A2 flash hider.  UPGRADE TO VLTOR MUR 1A RECEIVER FOR $60.00 OR NOVESKE MARKED MUR RECEIVER FOR $110.00


Noveske 16 Inch LIGHTWEIGHT - Vltor VIS 2A-AK Midlength Extended Rail

$969.00
SKU: 
3153

The Noveske 16 Inch Lightweight - Vltor VIS 2A-AK Midlength Extended Rail upper features a Noveske 16 inch lightweight, stainless steel barrel with a 1:7 twist, improved polygonal rifling, Noveske match Mod0 chamber, extended feed ramps, bead-blasted finish, mid-length gas system, pinned low-profile gas block, in a lightweight contour with a 1/2-28 threaded muzzle.  Built on a Vltor VIS 2A-AK midlength extended receiver / quad rail with M4 feed ramps, and an A2 flash hider.

These are assembled and test fired by PK Firearms.


Rock River Arms 18 Inch - MID - Stainless Steel - Rock River Arms TRO-STD Rail

$589.00
SKU: 
3168

The Rock River Arms 18 Inch - MID - Stainless Steel - Rock River Arms TRO-STD Rail upper features a Rock River Arms 18 inch stainless steel, Heavy Match barrel, chambered in .223 Wylde with a 1:8 twist, midlength gas system, and a 1/2-28 threaded muzzle.  Built on an RRA flat top receiver with a RRA TRO-STD rail, and an A2 flash hider. 


Rock River Arms 18 Inch - MID - Stainless Steel - Noveske NSR 16.7 Rail

$729.00
SKU: 
3179

The Rock River Arms 18 Inch - MID - Stainless Steel - Noveske NSR 16.7 Rail upper features a Rock River Arms 18 inch stainless steel, Heavy Match barrel, chambered in .223 Wylde with a 1:8 twist, midlength gas system, and a 1/2-28 threaded muzzle.  Built on an RRA flat top receiver with a Noveske NSR 16.7 rail, and an A2 flash hider.  Option available for Bead Blasted barrel finish.


Daniel Defense - 16 Inch - Midlength - LIGHTWEIGHT .625 - Daniel Defense 9.0 Omega X Rail

$669.00
SKU: 
3180

The Daniel Defense 16 Inch - Midlength - LIGHTWEIGHT .625 - Daniel Defense 9.0 Omega X Rail upper features a Daniel Defense 16 inch hammer forged, chrome-lined, lightweight profile barrel chambered in 5.56 NATO, with a 1:7 twist, mid-length gas system, .625 diameterfront sight journal, M4 ramped extension, front sight base with bayonet lug and a 1/2-28 threaded muzzle.  Manufactured from ordnance-grade 4150 chrome-moly vanadium alloy steel for exceptional strength, and HP-MP tested to ensure there are no internal flaws in the metal.  Built on a milspec flat top receiver with M4 ramps, Danie


Rock River Arms 20 Inch - HBAR - Noveske NSR 16.7 Rail

$629.00
SKU: 
3233

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. 


Rock River Arms 20 Inch - HBAR - RRA TRO XL Rail

$509.00
SKU: 
3234

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. 


Daniel Defense - 16 inch - Midlength - LIGHTWEIGHT - Noveske NSR-11 Rail

$659.00
SKU: 
3235

The Daniel Defense - 16 inch - Midlength - LIGHTWEIGHT - Noveske NSR-11 Rail upper features a Daniel Defense 16 inch, cold hammer forged, chrome-lined, lightweight profile barrel chambered in 5.56 NATO with a 1:7 twist, midlength gas system, and 1/2-28 threaded muzzle.  Built on an M4 ramped, milspec flattop receiver with a low profile gas block, Noveske NSR-11 rail, and an A2 flash hider.  Upgrades a


Pages