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NBS 8.5″ 1:7 5.56 Stainless Steel M4 Pistol Barrel
NBS 7.62×39, 16″ Parkerized Heavy Barrel, 1:10 Twist, Carbine Length Gas System Barrel
NBS 7.5″ 9mm 1:10 Heavy Barrel – Black Nitride
NBS 7.5″ 300 BLK Heavy Contour 1:8 Pistol 41V50 Barrel – Parkerized
NBS 7.5″ 300 BLK 1:7 Pistol Length Parkerized Barrel
NBS 6.5 Grendel, 20″ Parkerized Spiral Fluted Heavy Barrel, 1:8 Twist, Rifle Length Gas System Barrel
NBS 24″ 6.5 Grendel 1:8 Twist Black Nitride Rifle Length Contour Barrel w/ Straight Flutes
NBS 24″ 6.5 Grendel 1:8 Parkerized Rifle Barrel w/ Straight Flutes
NBS 24″ .224 Valkyrie Stainless Steel Spiral Fluted Heavy Barrel
NBS 22″ .224 Valkyrie Rifle Length 416R Stainless Steel Heavy Barrel
NBS 20″ 6.5 Grendel Type II, Rifle Length 1:8 Twist 416R Stainless Barrel
NBS 20″ 6.5 Grendel II Heavy Contour 1:8 Rifle Length 416R Barrel – Fluted – Stainless
NBS 20″ 6.5 Grendel 1:8 5R Twist Black Nitride Rifle Length Contour Barrel w/ Straight Flutes
NBS 20″ .224 Valkyrie Stainless Spiral Fluted Rifle Length Barrel
NBS 20 5.56 Lightweight Contour 1:9 Rifle Length Barrel w/ FSB Phosphate
NBS 20 5.56 Chrome-Lined Lightweight Contour 1:9 Rifle Length Barrel w/ FSB Phosphate
NBS 18″ 6.5 Grendel Type II Mid-Length Nitride 1:8 Heavy Barrel
NBS 18″ 6.5 Grendel 1:8 Twist Black Nitride Mid-Length Heavy Barrel w/ Straight Flutes
NBS 18″ 416R Stainless Steel Heavy Barrel, .458 SOCOM, Mid Length Gas System w/ 1:14 Twist
NBS 18″ 4150 Black Nitride Heavy Barrel, Straight Fluted, 6.5 Grendel Type II, Mid Length Gas System, 1:8 5R Twist
NBS 18″ .224 Valkyrie Mid-Length 416R Stainless Steel Spiral Fluted Heavy Barrel
NBS 18″ .223 Wylde Parkerized Spiral Fluted 1:8 Mid-Length Barrel
NBS 16″ Black Nitride 4150 Steel Contour Barrel, 6.5 Grendel Type II, Straight Flutes, Carbine Length Gas System w/ 1:8 Twist
NBS 16″ 7.62x39mm Heavy Contour 1:10 Carbine 416R Barrel – Stainless
Dirty Bird Brand AR-15 Parts
