Griffin M4SD-L | Tubeless 5.56mm (.22 cal) Suppressor

The Griffin Armament M4SD-L is a tubeless, laser-welded rifle suppressor designed to reduce gas and sound pressure at the shooter’s position. It is listed for use with 5.56mm (.22 cal) and has a stated caliber rating up to .22-250 REM. The design emphasizes low backpressure, quick attachment via the GATE-LOK mount, and durability through 17-4 H900 stainless steel construction.

Product Specifications

• The manufacturer is Griffin Armament.
• The model is M4SD-L.
• The suppressor is listed for 5.56mm (.22 cal) operation and rated up to .22-250 REM.
• The mounting system is GATE-LOK for rapid quick-attach capability.
• The included muzzle device is the GATE-LOK Hammer Comp 5.56mm 1/2×28.
• The body material is listed as 17-4 H900 stainless steel.
• The construction is described as a laser-welded tubeless design.
• The suppressor uses a baffle system identified as ECO-FLOW.
• The end cap is a patent-pending Pressure Reduction Cap with flash-reducing and tuned gas vents.
• The suppressor body finish is listed as Cerakoted.
• The product is listed as full-auto rated.
• The length is listed as 6.5.
• The diameter is listed as 1.5.
• The published dB performance includes -32.3 dB (131.7 dB on 16 Griffin MK1) and -33.1 dB (136.1 dB on 11.5 Griffin MK1).
• The UPC is 689396838345.

Compact and engineered for low backpressure performance, the M4SD-L fits range training and precision shooting applications where reduced gas and sound pressure at the shooter’s position are priorities. Its tubeless construction and GATE-LOK compatibility deliver a lightweight, service-oriented option for users who value durable suppressor engineering.

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