The YHM Nielsen Piston in .45 caliber with an M16x1 LH thread (YHM part no. YHM-2062-ML) is a Nielsen Piston from Yankee Hill Machine, made in the USA. YHM constructs it from heat treated 17-4 stainless steel for durability and corrosion resistance, and it has 10 adjustment points to zero any impact shift. It works with the YHM Booster Assembly, with YHM Sidewinder M2 suppressors and with many popular pistol suppressors. This listing is the M16x1 left-hand thread, one of several .45 thread patterns YHM offers.

Key Specifications

• The caliber is .45, the bore size this piston is built for.
• The thread is M16x1 LH, a left-hand pattern that has to match the host thread.
• The material is heat treated 17-4 stainless steel, chosen for strength and corrosion resistance.
• The piston has 10 adjustment points, which let you zero out any impact shift.
• Weight is 1.40 ounces, as listed by YHM.
• It is compatible with the YHM Booster Assembly.
• It also works with YHM Sidewinder M2 suppressors and many popular pistol suppressors.

Frequently Asked Questions

Is this the left-hand thread version? Yes. This is the M16x1 left-hand (LH) piston for .45 caliber. YHM also lists M16x1 RH, .578×28 and plain .45 Cal. versions, so match the thread to your host.

Does it work with the original Sidewinder? No. YHM notes that Nielsen Pistons are not compatible with the original Sidewinder, though they will work with Sidewinder M2 suppressors.

What does a Nielsen Piston work with? It works with the YHM Booster Assembly, YHM Sidewinder M2 suppressors and many popular pistol suppressors.

Buy the YHM Nielsen .45 Cal Piston, M16x1 LH Thread

Nielsen Pistons are made to run with the YHM Booster Assembly and many popular pistol suppressors, and the thread has to match your host exactly. This M16x1 LH version is made from heat treated 17-4 stainless in the USA. Order it from our Lubbock, Texas gun shop for fast direct shipping, and see our other parts and accessories.