Ballistic Advantage 556 Modern Series 18 SPR Barrel (Ops 12)



Availability: In stock

Ballistic Advantage 556 Modern Series 18 SPR Barrel (Ops 12)

Sub MOA Accuracy Guarantee – See Tab!

Ballistic Advantage 556 Modern Series 18 SPR barrel is machined from 4150 Chrome Moly Vanadium (CMV) steel with a QPQ (Salt Bath Nitride) Corrosion Resistant Finish; The M4 extensions are also QPQ coated. Ballistic Advantage coats their extensions and barrels separately to ensure long lasting torque values. This Modern Series 18 SPR Barrel is configured with a rifle length gas system, and includes a sub MOA accuracy guarantee from BA. What more could you ask for from a barrel with this much value?

This barrel features a longer .750″ profile dimension necessary for proper installation of the OPS Inc 12th model collar and suppressor.

Do you need assistance in choosing the right barrel for the job?

We are proud to team with Ballistic Advantage to offer the finest, most accurate AR barrels. If you just starting to build your own custom rifle, see our our growing selection of AR parts, to include receivers, bolt carrier groups, muzzle devices, and more in our AR parts department. Are you a reloader, or considering becoming one? We offer a large selection of bullets and brass to choose from.

Product Information

Manufacturer: Ballistic Advantage
Series: Modern
Profile: SPR
Part #: BABL556020M
Caliber: 5.56 NATO
Length: 18″
Material: 4150 CMV
Finish: CPQ Corrision Resistant
Gas System Length: Rifle Length
Gas Block Diameter: .750″
Twist Rate: 1:7 inches
Muzzle: 1/2 x 28 threaded
Weight: 41 oz
MSRP: $175.00

Weight 44 oz
Dimensions 19 × 2 × 2 in
Gas Block Diameter


Gas System


Muzzle Thread

1/2 x 28


Ballistic Advantage

Barrel Length



5.56 NATO

Barrel Finish

QPQ Nitride


4150 Chrome Moly Vanadium

Twist Rate




Part Type

Barrel, Upper Receiver Parts

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