Joining the faithful pair of calibers is the much anticipated 8.6 BLK, the large frame counterpart to 300 BLK, delivering significant energy on target from shorter length suppressor optimized barrel lengths.**All NFA rules apply** All DISSENT NFA SBRs (short barrel rifles) require additional ATF paperwork & processing time. See linked CMMG Resource article for more information.Adjustable Gas BlockIf you're looking to shoot suppressed or just fine tune your DISSENT to your preferred ammo, the adjustable gas block gives you the freedom to dial in the gas system exactly to your liking. Never too much and never too little.Lifetime Quality GuaranteeWe aim to please, that's why every CMMG product is backed by our Lifetime Quality Guarantee against material or workmanship defects. Learn More.~Firearms shipping to states with magazine capacity restrictions will only ship with 10rd magazines in place of standard capacity magazines. CMMG does not address any other state compliancy requirements for further restricted states.