Radical Firearms Blue Line 16" 5.56 NATO AR-15 Rifle with 15" MHR Rail - B5 Furniture - Black

Manufactured by Radical Firearms
SKU: FR16-5.56SOC-BL-15MHR
MPN: FR16-5.56SOC-BL-15MHR
Manufactured by Radical Firearms
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Standard orders will ship out in 1 business days or less if ordered by 3:30 pm CST, Monday-Friday. FFL orders will ship within 5 business days or less as long as we have the information for the transfer destination. NFA items will take longer to ship and are dependent upon ATF processing times.

For individual Officer, First Responder, and Military pricing please make sure you are logged in. for details

Items that are regulated by the ATF have restrictions and requirements: 
•Your entire order will ship only to a Federal-Firearm License holder.
•Please contact your local FFL prior to placing your order to ensure they are still accepting transfers.
•A copy of your order/invoice as well as the current FFL license for your local dealer must be emailed to ffl@primaryarms.com.



The Radical Firearms Blue Line 16" 5.56 NATO AR-15 Rifle with 15" MHR Rail is an affordable, mid-level patrol rifle designed to meet the strict requirements of military and law enforcement agencies. Each rifle is built to pass an extensive multipoint inspection, which is then signed and dated by a certified gunsmith to ensure reliable performance right out of the box. These Blue Line rifles feature upgraded B5 Systems furniture, forged 7075-T6 aluminum receivers, and a mid-length gas system for outstanding performance at an entry-level price point. This MIL-SPEC rifle is crafted with quality materials and backed by Radical's lifetime warranty, making it an excellent choice for any budget.

  • 16" 4140 chrome moly SOCOM barrel
  • Chambered in 5.56 NATO with a 1:7 twist rate
  • Mid-length gas system
  • .750 Pinned low profile gas block
  • Standard charging handle
  • MIL-SPEC single-stage trigger
  • 1/2x28 A2 flash hider
  • 15" Radical Firearms M-LOK MHR rail
  • Forged 7075-T6 aluminum upper and lower receiver
  • Type III anodized finish
  • H1 heavy buffer with carbine MIL-STD buffer tube
  • B5 stock and pistol grip
  • Made in the U.S.A. in Stafford, Texas!
  • Built to Military / Law Enforcement standards

The Radical Firearms Blue Line 16" 5.56 NATO AR Rifle includes a 15" MHR hybrid rail. This free-float style handguard improves accuracy while keeping your hands cool. It has quad Picatinny rails on the forend for adding lights, lasers, bipods, and sights and plenty of M-LOK attachment points for additional accessories.
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Barrel CoatingMelonite
Barrel ContourSOCOM
Barrel Length16
Barrel LiningMelonite
Barrel Material4140 Chrome Moly Steel
BrandRadical Firearms
Caliber Gauge5.56 NATO
Gas System LengthMid-Length
Gas System TypeDirect Impingement
Handguard15 in Radical M-LOK MHR Rail
Magazine Capacity30
Muzzle DeviceA2 Flash Hider
Thread Pattern1/2 X 28
Twist Rate1:7
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.

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