The Fuqua Precision Machining Spleen is a 5.56 muzzle device threaded 1/2x28, shown here in a black DLC finish. The part number indicates stainless steel construction. 1/2x28 is the standard thread for most 5.56 AR-15 barrels. Confirm your barrel thread before ordering.
- Brand: Fuqua Precision Machining (FPM)
- Model: Spleen
- Caliber: 5.56
- Thread pitch: 1/2x28
- Finish: Black DLC
- Listed weight: 0.15 lb
- Part number: SSPL-556-12X28-SS-BLKDLC