The DefCan-556 is a full-auto-rated 5.56mm suppressor that combines robust build quality with remarkable sound reduction. 3D Metal printed Inconel construction delivers durability and a high heat tolerance. – Attachment is easy using the included ZEROED SVD Muzzle Brake or a mil-spec A2 flash hider slide the DEFCAN over the muzzle device – HUB Compatible – New suppressor mounts and muzzle devices are always on the horizon. Whether your muzzle device needs might change or you just like the looks of something else in the future your DEFCAN will be up for anything new. Threaded with the industry standard 1-3/8×24 HUB system switching to a different QD mounting system is as easy as unscrewing the SVD/A2 mount and attaching your preferred HUB mount. – Includes: – Suppressor – ZEROED SVD Muzzle Brake 5.56mm 1/2-28 Muzzle device shims – Thread locker – Caliber 5.56x45mm – Muzzle Device ZEROED SVD Brake 5.56mm – Muzzle Thread 1/2 x 28 – Finish Cerakote – Weight 19.8 oz – Length 7.8