The LanTac Ultimate Forward Assist (UFA-S) is a solid forward assist assembly for AR-15 uppers. It is made from 4140 chrome-moly steel heat treated to 48-52 Rc and QPQ nitrided, with a smaller knurled cap that reduces snagging. A spiral pin retains it in the upper.
- Brand: LanTac USA
- Model: UFA-S Ultimate Forward Assist
- Material: 4140 Cr-Mo steel, 48-52 Rc
- Finish: QPQ nitride, bead blasted
- Springs: 316 stainless plunger spring, zinc plated detent spring
- Retention: Spiral pin
- Weight: 0.71 oz
- Made in USA