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Product Details

Brand: Shaw Barrels

Ships in 3-4 business days
**Update 8/3/20**  Bolt Carrier Groups are on backorder for approximately 2 weeks.

New Shaw Conversion Kits come with everything you need to convert your existing AR platform rifle to the new 350 Legend.

Kit Includes:

  • 16" or 18" 416R Premium Barrels
  • 5 or 10 Round 350 Legend Magazine
  • A2 Flash Hider
  • NEW! Shaw 12" or 15"    M-LOK®
    Free Float Handguard
  • Optional NiB BCG w/Charging Handle 
  • Optional Helical or Straight Fluting


16" or 18" HBar Contour, 416R Stainless Steel
.750" Gas Block, Carbine Length Gas System
1-16" Twist Rate, 9/16-24 Threads
A2 Flash Hider, Shaw Low Profile M-LOK® Handguard
Bolt is 9310 Heat Treated, Carrier is SAE 8620 Heat Treated
Complete Upper Weight w/o BCG: 4 Pounds

350 Legend shares Bore and Groove dimensions with:
9mm Luger, 9x23 Winchester, 357 Magnum, 357 Sig, 38 Special, 38 Super, 380 Auto
That being said, the actual bullet diameter of Winchester's loaded ammunition is .357".
Do NOT use .358 caliber rifle projectiles! 

*16" barrel with 12" handguard shown*

*WARNING* Please note this barrel will use muzzle devices designed for .40 caliber barrels.

M-LOK® is a registered trademark of Magpul Industries Corp.


Check your State and Local laws before purchasing.  If you require a barrel without muzzle threading, a special order inquiry may be made by calling 412-221-3406.


WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to


350 Legend Conversion Kit

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Related Products

350 Legend Magazine