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SKU:BAR-7.5

6 in stock

1 Review

$139.95

Guntec USA has been manufacturing AR-15, AR-308 and AR 9mm accessories since 1989. Our goal is to distribute excellent quality, at an economical value.

Quantity
UPC Number: 714569648251 Brand:
  • 4150 Chromoly Steel
  • 5.56/.223 Chambered in 5.56×45
  • 1:7 Twist
  • 1/2 by 28 Thread
  • Contour Profile
  • Markings Spiral Engraved Near Break
  • .750 Gas Platform System
  • M4 Feed Ramps
  • Pistol Length Gas System
  • Black Nitride Coating
Weight 16 oz
Barrel Length

1 review for 7.5″ 5.56mm 1:7 Twist Contour 4150 Barrel

  1. Boyd

    The 7.5″ 5.56mm 1:7 Twist Contour 4150 Barrel truly stands out as a top-tier choice for anyone looking to enhance their AR-15 build with American-made quality. From the moment I examined it, the craftsmanship was immediately apparent — the barrel’s finish is clean, smooth, and free from any visible imperfections, indicating solid manufacturing standards. The 4150 steel material feels robust and durable, reassuring that this barrel is built to handle rigorous shooting sessions without compromise.

    Design-wise, the contour offers a nice balance of weight and heat dissipation, making it suitable for both quick, reactive shooting and longer sessions at the range. The 1:7 twist rate is perfect for stabilizing a broad range of 55 to 77-grain projectiles, offering excellent versatility for different types of ammunition. Shooting accuracy with this barrel has been impressive; groups have consistently come together within a tight spread, which speaks to its quality and consistency.

    Furthermore, supporting American manufacturing adds to its appeal for many collectors and enthusiasts who prefer to invest in domestic products. The fitment on my build was smooth, and installation required no special tools or adjustments. It’s also worth noting that the barrel’s contour provides a good balance between handling comfort and durability, making it suitable for both tactical and recreational use.

    The overall value is quite competitive, especially considering the quality of steel and finish — it’s evident that this barrel is designed with longevity and performance in mind. For anyone assembling a custom AR-15 or upgrading an existing rifle, this barrel ticks all the right boxes.

    In conclusion, the 7.5″ 5.56mm 1:7 Twist Contour 4150 Barrel from Guntec USA offers a reliable, high-quality component that delivers consistent performance and excellent build quality. While it may be a bit specialized due to its shorter length, it’s a fantastic option for those seeking a compact, reliable barrel that doesn’t skimp on quality. Highly recommended for enthusiasts who value American craftsmanship and solid performance in their firearms accessories.

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