Ar-15 Modern Series 5.5 Barrel

Options

$82.40
MSRP: $99.99
You save $17.59

Trusted By Over 250,000+ Happy Customers Serving outdoor enthusiasts nationwide

Info

SKU:915000088 ,UPC:

SKU: 915000088

UPC: 819747025975

MPN: BABL9MM001M

Info

SKU:
915000088
UPC:
819747025975
MPN:
BABL9MM001M

Description

The AR-15 Modern Series 5.5 Barrel by Ballistic Advantage is a precision-engineered barrel designed for shooters who demand accuracy and reliability in a compact platform. This 5.5-inch barrel strikes the ideal balance between maneuverability and velocity retention, making it a go-to choice for tactical operators, law enforcement, and precision-focused civilians building short-barreled rifles (SBRs). Whether you're configuring a home-defense rig, a duty carbine, or a precision-shooting platform, this barrel delivers the performance characteristics required for professional-grade applications.

Ballistic Advantage has engineered this barrel with premium 4150 chrome-moly steel, featuring precision button-rifling for consistent shot-to-shot accuracy. The Modern Series designation reflects contemporary design standards: tight tolerances ensure reliable chambering across quality ammunition, while the streamlined profile reduces unnecessary weight—critical in short-barrel configurations where every ounce impacts handling dynamics and muzzle control. At 0.62 lbs, this barrel contributes minimal mass to your upper receiver, enabling faster target transitions and reduced fatigue during extended shooting sessions. The 5.5-inch length optimizes the velocity-accuracy window for 9mm and intermediate cartridges, maximizing energy downrange without sacrificing the compact footprint that operators demand.

This barrel is purpose-built for AR-15 platforms with standard 0.625-inch diameter extensions and mil-spec threading. Installation requires a barrel wrench and action block; headspacing verification is mandatory before live fire. Law enforcement agencies and military units frequently specify Ballistic Advantage barrels for duty carbines because the precision manufacturing reduces point-of-impact shift over thousands of rounds—a critical reliability factor in high-stakes environments. Civilian builders appreciate the same quality for competition, training, and home defense applications where consistent accuracy directly impacts safety and performance outcomes.

SpecificationDetail
Brand
Ballistic Advantage
MPN / Part Number
BABL9MM001M
UPC
819747025975
SKU
915000088
Weight
0.62 lbs
Barrel Length
5.5 inches
Caliber
9mm Luger
Material
4150 Chrome-Moly Steel
Rifling
Button Rifled
Barrel Profile
Modern Series Streamlined
Thread Pattern
0.625-inch mil-spec
Compatible Platform
AR-15

WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.