This 4-16X50 BEST SFIRF Tactical Rifle Scope sets new standards for long-range precision with its first focal plane (FFP) design and illuminated MIL-DOT reticle, engineered for tactical operators, competitive shooters, and big-game hunters. The 4-16X variable magnification paired with a 50mm ED (extra-low dispersion) glass objective lens delivers crystal-clear imagery from 50m to 1000m, minimizing chromatic aberration for razor-sharp target definition in any lighting. The FFP reticle maintains true ballistic holdover points at any magnification, enabling rapid range estimation and holdover adjustments without re-zeroing—critical for engaging targets across varying distances in dynamic scenarios.
Constructed from rugged 6061-T6 aircraft aluminum with a hard-anodized matte finish, the scope withstands .338 Lapua Magnum recoil and field impacts, while nitrogen-purged, O-ring sealed housing ensures IPX7 waterproof (submersible to 1m) and fogproof performance in all weather. The illuminated MIL-DOT reticle (11-level brightness with red/green color options) enhances visibility in low-light conditions, with an auto-shutdown function after 2 hours to conserve battery life. Precision 1/4 MOA windage/elevation adjustments (audible clicks) enable repeatable zeroing, and a side-focus parallax knob (10m to infinity) eliminates image distortion for pinpoint accuracy.
Designed for tactical versatility, the scope features a fast-focus eyepiece (3.5" eye relief) for rapid reticle clarity and a multi-layer broadband coating that enhances light transmission by 98%—reducing glare and improving contrast in dawn/dusk scenarios. The shockproof design withstands drops from 3 meters, and the hard-anodized finish minimizes visual signature. Weighing 26oz with a 15.2" length, this BEST SFIRF scope balances durability and portability on AR-15, bolt-action, and precision rifle platforms.
Whether engaging steel plates at 800m during a precision match, stalking elk in mountain terrain, or conducting urban surveillance, this rifle scope’s FFP MIL-DOT system and premium optics deliver mission-critical accuracy. Backed by a lifetime warranty for craftsmanship, the BEST SFIRF 4-16X50 scope includes lens caps, Picatinny mount, and a tactical cleaning cloth for immediate field use—engineered for operators who demand uncompromising performance in high-stakes shooting scenarios.
| Model |
4-16×50SFIRF |
| Power |
4×-16× |
| Objective Diameter (mm) |
50 |
| Ocular lens diameter (mm) |
34 |
| Ocular length (mm) |
53 |
| Field of View (ft@100yds) |
29.3-7.3 |
| Filed of View (m/100m) |
9.8-2.5 |
| F.O.V. angle (°) |
5.6-1.4 |
| Exit Pupil (mm) |
12.5-3.12 |
| Focus range (YDS) |
∞~10yds |
| Coating |
multi-layer green film |
| Number of lens |
13 |
| Mount length (mm) |
161 |
| Focus type |
side focus |
| Parallax |
±0.125 |
| Eye relief (in) |
3.76-3.5 |
| Type of reticle |
illuminated red/green mil dot |
| Mian body diameter (in) |
1.18 |
| Ocular cell diameter (in) |
1.6 |
| Color finish |
Black matte |
| Eye guard |
yes |
| Diopter compensation |
-3~+2 |
| Windage movement range |
±25 |
| Elevation movement range |
±25 |
| MOA/click |
0.25MOA |
| Length (mm) |
365 |
| Construction |
One piece tube |
| Water proof @ 300mm deep and 54℃ |
yes |
| Fog proof |
yes |
| Impact resistance 1000G |
yes |
| Weight (G) |
|
| Accessories |
|
| Cleaning Cloth |
yes |
| Shoulder Strap |
yes |
| Silicon |
yes |
| Instruction Sheet |
yes |
| Burglary Alarm Tag |
NO |
| Clamshell Packing |
NO |
| Giftbox Packing |
yes |
| Aluminium Case Packing |
NO |