BCA AR-15 Barrel: 16" 416R Stainless Steel Lightweight Barrel, 5.56 NATO, w/ 1:7 5R Twist

Special Price $66.94 was $106.99
In stock

SKU: B556MLW16175R(SS)

  • 16" 416R Stainless Steel Barrel
  • Lightweight Barrel Profile
  • 1:7.5R Twist
  • No Flutes
  • 5.56 NATO Caliber
  • Mid Length Gas System

The BCA AR-15 Barrel is a 16" lightweight barrel profile made of 416R stainless steel. It has a 1:7 5R twist rate and is chambered in 5.56 NATO.

5R is an improvement over conventional rifling by changing the shape and configuration of the lands and grooves. Conventional rifling consists of either 6 or 4 symmetrical lands and grooves; however, in a 5R barrel, the lands and grooves are opposite of each other and sloped.The improvement reduces projectile deformation as it passes through the bore during the firing sequence and the projectile stays uniform instead of squeezing material on opposite side grooves. Hence, the more uniform projectile, the better the accuracy.

All Finished Barrels go through a 100% Inspection Process.

Inspections Equipment includes CMMs and Air Gauges for the Bores.

BCA's expectations is that our Barrels, 16 inch or longer, will hold a 1.000" MOA at 100 yards with appropriate ammo and shooting techniques.


More Information
SKU 382-B556MLW16175R(SS)
Weight 1.4000
Length 16
Profile Lightweight
Twist 1:7 5R
Finish Stainless
Material 416R Stainless Steel
Thread Pitch 1/2 x 28
Caliber 5.56 NATO
Feed Ramp M4
Flutes N/A
Gas System Mid Length
Gas Block System 0.750
Gas Hole Diameter 0.082
Platform AR-15