AR-15 Armorer Block Hammer Block Only. Precision CNC machined to allow fine tuning of trigger setups while giving a spot for the hammer to strike. Prevents damage to receivers and thumbs. Great for setup work!
- CNC precision-machined from solid HDPE, super tough high density polyethelyne.
- Resists all common solvents.
- Allows fine tuning of trigger pull without damaging receiver (or your thumb!) from an accidental strike. Eliminates need to catch hammer when testing trigger pull.
- 100% USA Made by the dedicated folks at Crosstac.