Helios is an ATF approved linear compensator

• Constructed from grade 5 titanium100% corrosion resistant
• Muzzle device designed for CQB type weapons
• Can be used with any barrel length
• Directs muzzle blast and sound signature forward, away from shooter
• Moderately suppresses flash & reduces recoil
• Diameter 1.25"  tucks nicely into most rails
• Overall length 2.75 in   added length to weapon approx. 2.2"
• Both sizes weigh 2.8 oz
• 1/2 x 28 for 5.56 & 5/8x24 for all calibers up to .338"
• Available in both Raw Titanium & DLC Black finish
• Lifetime warranty
• Made in USA
• Ships with crush washer