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MLOK Nut and Screw Set
1 × $10.00
MLOK Nut and Screw Set 
Universal Weight-Tunable ARCALOCK Rail
$185.00
In stock
Description
ARCALOCK has been a huge success since its release in July of 2018. As the rails have become more popular, we have also seen the rise in popularity of rifle weight kits. With the introduction of the Manners TCS stock in late 2019, we designed and built an ARCALOCK weight system, and are ready to make it available to the general public. This is the 14.25″ Universal ARCALOCK Rail!
WHAT WILL IT FIT – Lots of things. We anticipate this will fit about 98% of Manners PRS1, PRS1, T2A, T2A GAP, T4A, T4A TEAM and T5A stocks. If you’re not sure if it will fit your rifle, you can use the hole spacing print AVAILABLE HERE and some basic common sense to figure it out. We made this as universal as possible, while still retaining weight tuning capability. These kits will come with t-nut hardware to add attachment points if your factory-installed attachment points do not line up with our mounting slots. While this can also be attached to MLOK, it DOES NOT come with MLOK hardware – available HERE
WEIGHT – The bare rail weighs just over 6oz. With all 5 included weights in the rail, the weight ends up at about 23.6oz. Each weight weighs 3.5oz.
THICKNESS – These rails are .400″ thick. For reference, our standard 14″, 12″ and 10″ Universal ARCALOCK rails are .270″ thick.
FINISH – Rails will be black hardcoat anodized, and the weights will remain raw brass.
Additional information
| Weight | 2 lbs |
|---|---|
| Dimensions | 15 × 2 × 2 in |
| Manufacturer | Area 419 |
| Package | Rail Only (No Weights), Rail + 2 Weights, Rail + 5 Weights |
Reviews (84)
84 reviews for Universal Weight-Tunable ARCALOCK Rail
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Darrin (verified owner) –
Helped balance a CZ in a manners stock
Willard Persinger (verified owner) –
Great weighted rail . Works great to add balance to my Bergara b14r
Zachary H. (verified owner) –
Attached to my XRS chassis and balanced it perfectly.
MARK D. (verified owner) –
Originally purchased this for my CZ 457 VMTR but ended up getting the CZ 457 Manners VPT MTR Stock. Bolted right up to the pre-drilled holes and balances perfectly. I left all the weights installed but might try removing some of the rear ones at one point.
Greg R M. (verified owner) –
replaced standard arca rail on B14R CF to get rifle to balance
Owen Trowbridge (verified owner) –
Awesome piece of kit, great weight. Wish they made a shorter one for some of my other rifles.
Owen Trowbridge (verified owner) –
Incredible designed and built rail
Traeden Barlow (verified owner) –
Solid product with excellent quality. Only downside was hardware was too short to install and so I had to find new bolts for T nuts to install as an MLOK accessory. Thread pitch for MLOK T-nut is #10-24, about a half inch did the job so long as you find a bolt with a small enough head diameter to fit into the grooves in the arca rail.
Michael Coley (verified owner) –
High quality product
jon b. (verified owner) –
Perfect upgrade, added the perfect amount of weight.
Ryan S. (verified owner) –
Excellent product and was just the rail I was looking for.
William (verified owner) –
Adds the right amount of weight to my carbon barrel and is really well constructed.
William Strickland (verified owner) –
Really great piece of gear. I used this to add some weight to a 6.5PRC with a carbon fiber barrel. It’s a really solid mount and the flexibility is good. I have it mounted on an LSS XL chassis so it sticks out the front about 6 inches past the actual chassis. Nevertheless it feels completely sturdy and I have no issues with instability with that config.
Gregg Galati (verified owner) –
Balances my MTR perfectly
Jason Brookman (verified owner) –
Love the product.
Olivier G. (verified owner) –
Very High quality – Nice to balance a rifle easily
Travis –
4 stars for the fact that it doesn’t come with mlok hardware. I mean for the price I think it should be included.
Richard Lewis (verified owner) –
Great quality and exactly what i was seek, pulls the weight where you need it.
Mike A. (verified owner) –
I put the Universal Weight-Tunable Arcalock rail on my 6.5 creedmoor to get the proper balance. The UWTA rail weights were the perfect match. My rifle is perfectly balanced with the added benefit of an additional 2 inches of area rail. Only rated. 4 becaua the weight rail did not come with the required MLOCK screws and bolts.
Brady Rigdon (verified owner) –
Exceptional quality
Jonathan Bauer (verified owner) –
Product is great quality.
Alex K. (verified owner) –
Wish I could have used sling stud thread’s that were already in the stock, but didnt line up. Followed instillation instructions from u tube, and got the job dun. Love the product. Rifle balances really well and like the added weight for recoil managment.
Daniel (verified owner) –
Item has been manufactured to a high standard
Dakota (verified owner) –
I’ve been using ARCA Lock rails since before they were commercially available, and this upgraded/updated weighted model is exactly what I want on my PRS match rifles, AND to promote improved balance on my young son’s rifles.
John S. (verified owner) –
Excellent made product as to be expected!
Thaddeus Ernst (verified owner) –
I was surprised that the brass weights chattered in their milled out aluminum rail. It made a half way decent rattle- but I solved it by using a layer of the plastic shipping bag as a shim between the brass and the rail. I installed 3 t-nuts in the manners stock- I went to the hardware store and purchased a longer screw for $.64 so I didn’t have to bury the t-nut an inch deep into the stock at the point closest to the action screw. I used a Forstner bit in the stock- which was similar to putting a screw into drywall- the stock drills very easily! The rail just makes the rifle easier and more ergonomic to handle. If you’ve been considering one of these to up your game- go for it! You won’t be disappointed!
Anthony K. (verified owner) –
Absolutely love it, balanced out my rifle really well.
Brady C. (verified owner) –
I put this on my Ar15 to reduce recoil. Maybe an odd application of the rail, but it worked perfectly. super happy with how it fit, installed and its overall quality.
Robert S. (verified owner) –
Worked great on my Bergara B14r
Michael (verified owner) –
Fits perfectly on my manners stocked cz 457, and balances out the rifle perfectly.
Johnny Sprinkle (verified owner) –
Good piece of equipment to add weight to the front and an Arca rail.
John K. (verified owner) –
Worked like a charm, bolted right up.
Anonymous (verified owner) –
Nicely machined rail, thank you!
Nick Doucet (verified owner) –
Fit and finish on this piece is Superb
Tim (verified owner) –
Changed the game for my son’s rifle.
TYLER (verified owner) –
Weights rifle nicely
Brandon (verified owner) –
The rail fit perfect on my Bergara HMR. Had to make some adjustments to the front action screw by grinding it down a little.
Kurt (verified owner) –
Very high quality product and works great with a little modification (but that is to be expected for universal product.) I needed longer screws #10-32 screws for the non-action screws which will depend on your application. I believe the included screws are 3/4″ long and I needed 1″ for them to grab sufficiently. I found them from Monster Bolts on Amazon. Mine went on an Bergara HMR Pro. Very pleased.
mathew shear (verified owner) –
Very adaptable piece of equipment.
Jeff Rowe (verified owner) –
Worked like a charm. It stopped the jumping of my 6 mm arc
Dale Smith (verified owner) –
Great product
Kyle (verified owner) –
Perfect for adding weight to my CZ 457
Aley Copley (verified owner) –
Great
Brian Hoff (verified owner) –
Awesome rail and the videos on how to add a T nut and install. Love all the thing I’ve bought from you guys. Will be back for more in the future.
Russ (verified owner) –
Excellent for getting the weight needed for stable positional shooting. Fit and finish is superb.
Bruce (verified owner) –
The weight itself is great however the mounting hardware was not. I find it hard to believe the alternative to proper mounting screws were t-nuts. This would cause serious damage to my firearm should I use them, which I will not. I had to go to my local gunsmith for proper mounting screws.
JOHN (verified owner) –
Got this for my CZ 457. Fantastic quality. Very happy.
Jim (verified owner) –
WORKS
john moore (verified owner) –
Tighten weights when you get it before your install. Other than that it works as intended.
Shad Kimbrell (verified owner) –
Enhanced the stability of my Comp. Rifle due to the additional weight.
Stability & recoil management increased, excellent product.
I run these on all my PRS Comp.Rifles.
Sean D. (verified owner) –
Well built still need to mount it
Kyl K. (verified owner) –
Perfect as always from 419
Kyle (verified owner) –
Perfect!
Kelvin Walthall (verified owner) –
A+
Rodrigo Marchetti (verified owner) –
Perfect!
michael hancock (verified owner) –
A+A+A+A+A+A+A+A+A+A+A+
James H. (verified owner) –
Well made
Mark J Smith –
Added the Area 419 weighted tunable arca rail to my Bergara HMR Pro rifle and absolutely love it. It was fairly easy to install. Just one email to customer service with a question that they answered right away. I love the fact that this shifted the center of balance for the rifle to just in front of the front action screw.
Previously it was stock heavy and center of balance was over the trigger which contributed to significant muzzle rise while shooting. Muzzle rise/flip is non-existent now. I used all 5 weights and love it. I would highly recommend this product.
Jeremy H. (verified owner) –
This is THE ticket. Get the weight in the right place and fire away. I have noticed a great reduction in recoil as well as a really nicely felt impulse.
Dana (verified owner) –
works great
Josh (verified owner) –
Works great and very adjustable. You can add weight to wherever you need it.
Justin Rhodes (verified owner) –
Great product , fit perfectly on my bergara b14 hmr.
Jose Fachal (verified owner) –
Put it on my Bergara B-14 HMR
Benjamin (verified owner) –
Very good quality
scott woodhouse (verified owner) –
Great option to add both an ARCA rail and add some weight to help balance my training rifle.
John B. (verified owner) –
Well designed and manufactured
Darryl Paris (verified owner) –
I put the weighted rail on my back up rifle/trainer so it matches the weight and feel of my match rifle. I mounted it to a first gen XLR Element (that chassis doesn’t come with a rail) the supplied hardware was perfect & bolted right up. Now my 1st Gen XLR Element chassis matches my XLR Envy Heavy in rail length and rifle weight and balance. So far I’m 10-10 with all 419’s products!
Aaron Fisher (verified owner) –
Some modification may be required. I am using a Manners PRS2 with Hawkins bottom metal. The radius where the mag well meets the action screw hole location was causing the rail to not sit flush against the forearm. I had to file away at the rail to make clearance. Also, I chose to not mount the rail using the action screw and using the hole just ahead of the action screw one. If you choose to do that, you will need to install a t-nut just in front of the action recoil lug which is a thick part of the barrel channel. I went to ace hardware to get longer screws for this to avoid going super deep with the counter sink. I hope I don’t run into any bad effects from doing this, everything’s been working great so far.
Scott B. (verified owner) –
I have the same rail on all of my rifles
Johnny Sprinkle (verified owner) –
The Universal Weight-Tunable Arcalock Rail is a great addition to a rifle to gain the proper balance for barricade shooting. Area 419’s products are top notch in quality and design.
Stephen Cornich (verified owner) –
Good
JUSTIN PAINTER (verified owner) –
Great product! As always, Area 419 products continue to impress.
Eldon (verified owner) –
Works great! Love the versatility
Nowell Greasley (verified owner) –
Quality of arca rail is great. The action screws supplied were not the correct size, (did not thread into my action). The weight of this rail was not enough to balance my rifle, it would be nice to have heavier weights.
Hope this helps.
Craig Arnzen (store manager) –
Hey Nowell. To fit the largest number of actions possible we include an action screw compatible with Rem 700 (and clone) actions. It would be really implausible to include screws to fit every action out there.
Aaron G. (verified owner) –
Well made. The interchange weight system is perfect for creating the perfect balance point of your rifle. It takes a little time to get it perfect but worth the effort.
rod p. (verified owner) –
A great product! Exactly what I was looking for and 419 quality is second to none!
Brett (verified owner) –
Great product
John A. (verified owner) –
The design and quality of this ARCA lock rail is excellent. Added 2 front weights in rail and the Front MPA weight Installed on a Matrix MAP chassis and balance point is 3″ in front of mag. Great quality hardware included. Best in class products!!
Austin C. (verified owner) –
Great product. The finish is beautiful, not a flaw in it. My only complaint would be the lack of longer screws for the T-nuts and a shorter action screw, one long enough to compensate for thickness of rail. Granted, I put this on a Bergara HMR pro and I believe these rails were more geared to fit the manners stocks. But I still got it to work and it works great. Worth every penny, would recommend and will buy again when I get my manners stock.
Craig Arnzen (store manager) –
Hey Austin, we chased the “perfect length action screw” for a while, but ultimately opted for one that’s as long or longer than anyone needs as every stock maker or bottom metal manufacturer seems to be a little different on length. There was unfortunately no perfect answer.
Dan Blake (verified owner) –
This is really a must have item for competition. Its very important to have the rifle balance about 4″ in front of the magwell and this product is a big help. Its also amazing to see how not only the total weight on the rifle is critical to mitigate recoil but where that weight is placed. I give this one 10/10 stars.
Jarred Horsky (verified owner) –
Perfect for balancing the rifle and reducing the jump.
Robin Cox (verified owner) –
Great products
Derrick warren –
A nice touch to the standard arca rail. I put it on my Graboe Ridgeback stock it fits perfect. I left all five weights in because I like heavy a rifle and it balances very nice.
Jorge Bonilla (verified owner) –
I purchased three of these for my two Manners PRS-1 and CS2 stocks since my rifles were rear heavy. The weight of these rails helped balance the rifle tremendously. I bought the kit with all five weights and ended up using them all. In addition, the added weight has helped tame recoil a bit more.