IMPORTANT UPDATE: THIS ITEM IS NOW IN STOCK!

The Sightlok RF-1 is a mount which enables alignment/co-witness of almost any rangefinder with any scope. It enables most rangefinders to be used as a weapon-mounted laser rangefinder, or WMLRF. It is particularly well-suited to the Sig Sauer BDX platform.

By co-witnessing the rangefinder with the scope, the rangefinder and scope effectively become a single, integrated device. There’s no longer a need to deploy, aim, or view the target through the rangefinder. Simply hold the scope reticle over the target, push the rangefinder button, and take the shot.

PROVEN IN MILITARY APPLICATIONS
The co-witnessing of scopes with rangefinders and various other electro-optic sensors is a well-established practice in the military.  Recent examples includes the military’s Next Generation Squad Weapon from Vortex®, the NGSW-FC XM157, which includes a variable magnification optic, backup etched reticle, laser rangefinder, ballistic calculator, atmospheric sensor suite, compass, wireless, visible and infrared aiming lasers, and a digital display overlay. The purpose of NGSW-FC to increase the first round hit potential by combining a traditional glass optic with a laser range finder and ballistic computer.

With the introduction of the Sightlok RF-1, civilians can match key features of the military’s NGSW-FC by combining the Sightlok RF-1 with one of the Sig Sauer line of BDX scopes and range finders, including a co-witnessed scope and rangefinder, ballistic calculator, atmospheric sensor suite, compass, and other smart features.

BENEFITS:
– Faster ranging
– More accurate ranging due to better optics and greater stability
– Better view of ranged targets using scope optics
– Scope and rangefinder operate as a single-unit
– Fast view switching between rangefinder & scope
– Faster firing solutions
– Fewer missed shot opportunities
– Increased first round hit potential

PRODUCT DETAILS:
The Sightlok RF-1 is designed and made in the U.S.A. from aerospace grade aluminum alloy with MIL-A-8625 spec Type III anodized hard coat finished in matt black.

AZIMUTH/WINDAGE AND ELEVATION ADJUSTMENT
The Sightlok RF-1 features 4 quick hand tightened thumbscrews that provides consistent and secure mounting of laser range finders. The 4 adjustable clamps enable the range finder point-of-aim to be precisely adjusted to match the point-of-aim of the scope. Two clamps on the side adjust Azimuth/Windage, while clamps on the bottom adjust Elevation.

Non-slip rubber on the clamp surfaces ensures that the rangefinder is held securely but not scratched by the clamp.

RANGEFINDER REQUIREMENTS:
The Sightlok RF-1 can accommodate any rangefinder with a width of 1.14″ (28.8mm) to 1.58″ (40.2mm). (See list of compatible rangefinders below).

SUPPORTED SIG SAUER BDX RANGEFINDERS:
With the exception of the KILO4K and the binocular-format rangefinders, all of the Sig Sauer BDX rangefinders fit the Sightlok RF-1, including the KILO1000BDX, KILO1400BDX, KILO1600BDX, KILO2200BDX, KILO2400BDX, KILO Canyon, KILO1600, KILO3K, KILO5K, KILO8K-ABS, and BUCKMASTERS 1500. A complete list of compatible laser rangefinders is listed below.

PROJECT OBJECTIVES:
The goal of the Sightlok RF-1 is to mount the rangefinder as close to the occular lens of the scope as possible such that the shooter can effortlessly switch between the two. To accomplish this, the Sightlok RF-1 allows the rangefinder positioning to be adjusted relative to the scope in 3 dimensions: Height, length, and horizontal distance from Picatinny/Weaver rail.

MOUNT REQUIREMENTS:
The Sightlok RF-1 mounts securely to any Picatinny (MIL-STD 1913) or Weaver rail.

MOUNTING CLEARANCE:
The mount requires a minimum of 0.25″ (6.5mm) of clearance between the top of the rail and the bottom of the scope to mount under the scope. It can also be flipped and mounted to the rail under the scope occular if other mount points are obstructed.

SIZING AND ADJUSTMENT RANGE:
Rangefinder height adjustment (choose between 3 rails): 1.24″ (31.6mm)

Length adjustment: (sliding variable length as measured from from the front of the rail clamp to the back of the rangefinder holder) 4.3″ to 6.5″ (10.9-16.5cm)

Horizontal distance from Picatinny/Weaver rail adjustment (3 different-length options are included):
Small: 1.38″ (3.5cm)
Medium: 1.62″ (4.1cm)
Large: 1.94″ (4.9cm)

Having variable options for horizontal distance from the Picatinny/Weaver rail ensures that the rangefinder laser beam can clear windage/brightness/focus knobs/focus rings on the scope.

The Sightlok RF-1 can mount on either the left or right side of the scope.

SPECIFICATIONS:
Weight:
9.4 to 9.7 ounces (268-275 grams), depending on configuration

Assembled dimensions:
Height: 2.2″ (55.8mm)
Width (adjustable): 3.8″ to 4.3″ (95-108mm)
Length (adjustable): 4.3″ to 6.5″ (10.9-16.5cm)

PARTS INCLUDED:
Aluminum Rangefinder Clamp
Aluminum Lever Arm
Aluminum Short Rail Clamp
Aluminum Medium Rail clamp
Aluminum Long Rail Clamp
Aluminum Rail Clamp Lock
Carbon Steel Elevation & Windage Bolts
Carbon Steel Mounting Nuts and Bolts

MADE IN THE USA:
The Sightlok RF-1 is engineered, tested, manufactured, and assembled in the U.S.A.

LIFETIME WARRANTY:
SIGHTLOK warrants that the Sightlok RF-1 mount you purchase was originally manufactured free of defects in material, workmanship, and mechanical function. For the lifetime of the original purchaser, SIGHTLOK agrees to correct any defect in the mount for the original purchaser by repair, adjustment, or replacement, at SIGHTLOK's option, with the same or comparable quality components (or by replacing the mount at SIGHTLOK's option); provided however that a Return Merchandise Authorization (RMA) is first obtained by contacting SIGHTLOK Customer Service.

IMPORTANT: THE SCOPE & RANGEFINDER SHOWN IN PICTURES ARE FOR DEMONSTRATION PURPOSES ONLY AND ARE NOT INCLUDED WITH PURCHASE.

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Verified reviews for the Sightlok RF-1

Former USMC sniper
Reviewer
September 3, 2023
Rated 5 out of 5
As a former USMC sniper, I have some expertise with mounts that co-witness various sensors. I heard about this from a friend on Snipershide. After testing it on various rifles I am impressed. It can be adjusted to fit nearly any scope / rail / rifle combination. This tool really does raise the effectiveness of your shooting platform. The RF-1 has me ranging and sending rounds downrange faster. Most long range shooters could benefit from owning one.

Joey G
Reviewer
September 2, 2023
Rated 5 out of 5
Mounted this on an AR-308 long range rifle with a Sig Sauer 6BDX riflescope. Able to range targets now without ever looking though the rangefinder. One concern I had was whether it would be able to securely hold the rangefinder in the same place. Whether or not the rangefinder would “hold zero.” Obviously if you smash your rangefinder with a rock or a hammer, it’s going to move around and probably not going to work anymore. But short of impacts like this the grippy rubber on both the clamp holds the rangefinder securely without crushing or scratching it. The mounted rangefinder is properly holding zero and remaining co-aligned with the scope. Would definitely buy this again and everyone that’s seen it at the range wants one too.

marty
Reviewer
September 1, 2023
Rated 5 out of 5
This is a good piece of kit. Does what it says on the tin. One complaint I have is receiving it took 3 weeks because it was on backorder. Wish they would make a greater effort to keep these in stock. But like others have said this is a game-changer and I don’t know why it’s taken so long for someone to invent something like this. I’m a big game hunter and when you’re hunting every second counts. I can’t count how many shot opportunities I’ve missed because I couldn’t shoot fast enough. This cuts the amount of time it takes after spotting the target to taking an ethical shot by maybe 1/3 to a half. I’d say buy it if you’re a big game hunter.

hoghunter
Reviewer
September 1, 2023
Rated 5 out of 5
I received one of early engineering samples which I offered to test in exchange for feedback. The bolt that came with it was a little too large for my weaver rail. The company immediately sent out a different nut and bolt that fixed the problem. Rest easy if you have a weaver rail as the problem is fixed on the newer units. Great customer service.

Fyaman25
Reviewer
August 29, 2023
Rated 4 out of 5
Ok
Works

TexasGuy
Reviewer
August 28, 2023
Rated 5 out of 5
I put this on my Accuracy International AWM.
Nice tight fit. It’s not going anywhere.
The bolt screw is hardened, not like cheap stuff.
It holds my rangefinder easily.

MLS11GO
Reviewer
August 28, 2023
Rated 5 out of 5
Excellent
Very sturdy mount

Kevin Mc
Reviewer
August 27, 2023
Rated 5 out of 5
Worth every penny!
This item arrived just as described, and it has even surpassed my expectations! I would definitely buy this item again!

TX-bow-hunter
Reviewer
August 26, 2023
Rated 5 out of 5
As described
Not much to say here other than feels like high quality durable Material. Installed on a Tenpoint crossbow. Highly recommend

stiff-arm
Reviewer
August 24, 2023
Rated 5 out of 5
Worth the cost
it’s not cheap but it’s a powerful tool for those long range shots.

Douglas1972
Reviewer
August 21, 2023
Rated 5 out of 5
I love this
Good quality.

JAS-SH78
Reviewer
August 21, 2023
Rated 4 out of 5
Works great
Just what I needed. Could improve the design by adding recoil lugs. Overall, I like it and it works for me.

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LIST OF COMPATIBLE RANGE FINDERS:
The Sightlok RF-1 is a universal rangefinder mount for rifles and crossbows.
According to manufacturer information, the following rangefinders will fit the Sightlok RF-1:

AILEMON AL19 and AL34
AOFAR HX-1100V
Astra Optix HTX1600, OTX1600, OTX2400A, OTX2400B
Astra Optix Pro A-1
Athlon Optics MIDAS 1 and MIDAS G2 1
Athlon Optics TALOS 800Y and TALOS G2 850Y
ATN LASERBALLISTICS 1000 and 1500
Burris Signature LRF 2000
Bushnell Broadhead
Bushnell LE1300SBL, LE1700SBL, LP1300SBL, LP1700SBL
Bushnell Prime 1800
Covert Optics ThermX TRF 1600
Crimson Trace Horizonline 2000 and 4000
German Precision Optics Rangetracker 1800
Gogogo Sport Vpro GS03, GS19, GS24MTL, GS60
Gunwerks Revic BR4 Ballistic
Hawke Optics ENDURANCE 1000, 1500, 700
Hawke Optics LRF 400 and 800
Hawke VANTAGE 400, 600, and 900
LaserWorks True 1000
LEICA Pinmaster II Pro
LEICA Rangemaster 2400-R, CRF 2800.COM, CRF 3500.COM
Leupold RX-1400i TBR/W, RX-1500i TBR/W, RX-1600i TBR, RX-2800 TBR, RX-FullDraw 5
Luna Optics LRF1300M-PRO & LRF2400M-PRO
MiLESEEY PF210-H
Nikon COOLSHOT 50i
Nikon PROSTAFF 1000 and 1000i
NUTREK RF08P 5-1200
Osprey Global RF-OSP-400SP
Praktica LRF-7G
Profey Vpro X5
PulsNell TX-750
REVASRI NK-1000
Rudolph Optics RF M1200 Micro
SereneLife SLGRF20SL
SG Surgoal RS 1200
Sig Sauer KILO1000BDX, KILO1400BDX, KILO1600BDX, KILO2200BDX, KILO2400BDX, KILO Canyon, KILO1600, KILO3K, KILO5K, KILO8K-ABS, and BUCKMASTERS 1500
TecTecTec ProWild 1, ProWild 2, ProWild S
TIDEWE HD-700E and TIDEWE HR-F700
Vortex Optics Crossfire HD 1400 and Impact LRF101
WOSPORTS H-111H
X-Vision PDLC RFP875 and RFO1600

The following rangefinders are believed to be too wide to fit the Sightlok RF-1:

LIST OF INCOMPATIBLE RANGE FINDERS:
ACPOTEL PF2E
AOFAR HX-1200T
AOFAR HX-700N
Bushnell BoneCollector 850
Bushnell BoneCollector 202208
Gogogo Sport Vpro
Nikon COOLSHOT PRO II
Nikon Laser 50
Sig Sauer KILO4K
Vortex Optics Diamondback HD 2000
Vortex Optics Viper HD 3000
Vortex Optics Razor HD 4000

IMPORTANT: THE SCOPE & RANGEFINDER SHOWN IN PICTURES ARE FOR DEMONSTRATION PURPOSES ONLY AND ARE NOT INCLUDED WITH PURCHASE.

DISCLAIMER / WARNING:
Recoil from high-caliber rifles can damage weapon-mounted rangefinders. Use at your own risk.

Questions? Experts are available to answer your questions and will respond within 24 hours.

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FAQ:

Q: How can I accurately align the rangefinder with the crosshairs on my scope?

A: There are 3 ways to accomplish this:

1. Simple method
Point scope crosshairs at a target at the approximate distance you intend to shoot. Stabilize shooting platform so the scope doesn’t move. Use the windage and elevation knobs on the mount to point the rangefinder reticle at the same aiming point as the scope reticle. Re-verify scope reticle has not moved from the target. Verify rangefinder reticle matches aiming point of scope. For extra accuracy, measure the distance between center of scope occular lens and the center of rangefinder occular lens, and maintain rangefinder point-of-aim parallel to scope crosshairs to prevent point-of-aim divergence over large distances.

2. More accurate method
A more accurate method is to have a target at the approximate distance you intend to shoot, where you have a much longer distance behind the target to use as a contrast. Point scope at the edge of the target. Adjust rangefinder so that it detects the point at which aiming point goes off the edge of the target both horizontally and vertically. Fire rangefinder while moving off the edge of the target. The rangefinder should be aligned so that it switches to displaying the much longer distance behind the target just as scope crosshairs move off the edge of the target. Again, for extra accuracy, measure the distance between center of scope occular lens and the center of rangefinder occular lens, and maintain rangefinder point-of-aim parallel to scope crosshairs to prevent point-of-aim divergence over large distances.

3. Most accurate method – requires digital night vision clip-on like a PARD NV007
Third method is to use a clip-on digital night vision scope like a PARD NV007 or the cheaper “DIY” Night Vision scopes priced around $100. PARD shoppers may wish to select the 12mm version which has a wider FOV. Digital night vision shows the infrared spectrum used by the rangefinder, so the laser beam from the rangefinder becomes visible flashing on the target. This makes windage and elevation adjustment for the rangefinder easy and precise. Again, for extra accuracy, measure the distance between center of scope occular lens and the center of rangefinder occular lens, and maintain rangefinder point-of-aim parallel to scope crosshairs to prevent point-of-aim divergence over large distances.

IMPORTANT: THE SCOPE & RANGEFINDER SHOWN IN PICTURES ARE FOR DEMONSTRATION PURPOSES ONLY AND ARE NOT INCLUDED WITH PURCHASE.

Questions? Experts are available to answer your questions and will respond within 24 hours.