Find It Here: https://doublemdefense.com/product/cgs-suppressors-nautilus-piston-m16x1-lh/ 

We accept trade-ins!

Factory New.

UPC: REDACTED03
SKU: CGS-NAU-16X1L-PIST

Item Description:

The Nautilus Pistons allows the user to attach the silencer to any firearm that has barrel threads matching the piston threads. This piston system is also self aligning and the piston itself has a very positive spoke lock to the housing.