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- Alfred Mendoza
- June 1, 2023
When building or maintaining your AR 15 rifles, a regular vise jaw may scratch and ruin your firearm. Most AR rifle builders buy the best AR 15 upper receiver vise blocks to protect and stabilize their upper receiver devices.
However, with so many vise blocks on the market, it is challenging to choose just one. If you want to have an informed decision, keep on reading and find out what best suits your weapon.
- Perfectly fit rod in Star Chamber
- Protects the barrel
- Adjustable pins
- Has lock knobs for added security
- Avoids stress elements
- Holds various AR platforms
- Easy to maintain, assemble and modify
- Versatile design for every AR-pattern
- Made from USA 6061 T6
- Suitable for most firearms
- Holds AR-10 and AR-15 upper
- Multi-function design receiver
- Dovetail clamp for Picatinny rail receiver
- Hard-wearing extruded construction
- Precise tolerances
Table of Contents
Top 4 Upper Receiver Vise Blocks for AR-15
1. Real Avid Lug-Lok Upper Vise Block
Real Avid Lug-Lok Upper Vise Block is a gunsmithing tool that fits into all Mil-Spec uppers. It uses the barrel lugs inside the upper star chamber to get a stronghold that won’t ruin your firearm when in use.
This upper vise block protects your receiver since it avoids upper receiver stress elements while installing the barrels. Aside from giving protection, it is also safe to install. It is purpose-built to prevent inward pressure on the upper receiver during torque application.
This vise block also uses a particular barrel extension in the barrel lugs. This product also comes with two block pins that prevent rotation while torquing and permit the block to hold an upper receiver. The Real Avid Lug-Lok Upper receiver vise block is made from sturdy materials that are non-marring and long-lasting.
PROS
- Perfectly fit rod in Star Chamber
- Protects the barrel
- Adjustable pins
- Has lock knobs for added security
- Avoids stress elements
CONS
- Complicated installation
- Tab pin doesn’t sit enough for a secure fit
2. XS Sight Systems Armorers Block For AR Platforms
The XS Sight Systems Armorers Block is designed for easy assembly, maintenance, or modification. You can use this receiver to various AR Platforms such as AR-10, SR-25, DPMS GII, or AR-15/M4 upper receiver in bench-mounted vise tools.
This upper receiver product provides versatility, reliability, and durability. It is constructed from 6061 T6 aluminum alloy in a one size fits all solution. With this vise block, you can install a gun scope or red dot sight with ease.
PROS
- Holds various AR platforms
- Easy to maintain, assemble and modify
- Versatile design for every AR-pattern
- Made from USA 6061 T6
- Suitable for most firearms
CONS
- Incompatible with .300 Win and other platforms
3. Wheeler Engineering Delta AR Upper/Pic Rail Vise Block
The Wheeler Engineering Delta AR Upper is an upper receiver that fits AR-10 and AR-15 firearms. This block is made from durable design, and precision machined construction, ensuring a long-lasting life span.
This upper receiver features an excellent style and a durable rail dovetail clamp that safely secures AR15 and AR10 platforms to hold any Picatinny rail receiver. It also engages takedown lugs on the receiver’s bottom.
PROS
- Holds AR-10 and AR-15 upper
- Multi-function design receiver
- Dovetail clamp for Picatinny rail receiver
- Hard-wearing extruded construction
- Precise tolerances
CONS
- Limited block function
- Needs to be used with jaw pads
4. Vism Upper Receiver Block For AR-15
The Vism Upper Receiver Block For AR-15 allows users to use this in various ways on the workbench. Whether you are to modify, maintain or assemble your AR-15 upper, this vise block is essential for your gunsmithing. This upper receiver is also constructed with blue anodized alloy material, which is corrosion-resistant and weatherproof.
This receiver also comes with a borehole that serves as a bore brush guide. You can use its lower half by attaching it to the upper receiver using the two provided pins. This upper receiver bench vise block also allows you to clamp it with the half AR upper receiver for routine maintenance.
PROS
- Constructed with blue anodized material
- You can use its lower half of the block
- Prevents damage from torque twisting force
- Corrosion-resistant and weatherproof
- Lower and upper halves of the block can be bolted
CONS
- Pins are somewhat tight
- Pivot pin is quite big for the AR15 upper
What Should I Look For?
Durability
One thing that you should always consider before buying the AR-15 upper receiver is its durability. Investing in gunsmithing parts like the vice block receiver is one crucial factor in deciding whether your barrel would work longer.
Therefore, it is best to buy AR-15 vise tools made with aluminum alloys like the 6061-T6 and other anodized hard aluminum designs at an affordable price. 6061-T6 aluminum properties make it a material of choice for builders of boats and watercraft because it’s strong and lightweight.
It is ideal for sailboat masts and for hulls of larger yachts that cannot be made from fiberglass. Small, flat-bottom canoes are almost entirely fabricated from 6061-T6. However, the bare aluminum is often coated with protective epoxy to improve its resistance to corrosion. [1]
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Construction
We recommend buying a receiver vise block supporting the upper receiver to avoid disfiguration from torque twisting forces upon removing or installing the barrels. Heavy-weight steel bolts are also desirable to work with, so they could completely support the insertion of the bottom and inside of the mil-spec receiver models.
Some stripped upper receivers don’t only work for assembly, disassembly, modification, and maintenance tasks. Some upper receivers can also easily mount optics, scopes, or other accessories in the receiver rail.
We also suggest that you should avoid investing in an upper receiver vise block that clamps to the AR receiver’s exterior. The upper receiver vise block needs to have a hole through the block length to guide the bore brush to clean out the barrel.
Ease of Use
We recommend looking for an AR-15 upper receiver that is easy to use and work with. It is best to find models with modular design/style, so they could hold your upper receivers more securely, without any hassle.
It is also imperative to choose the best AR-15 upper receiver blocks free from any easy damaging, crushing, or twisting. Aside from being easy to handle, it is also recommended to find a functional upper receiver in various maintenance task options.
Mil-Spec
It is best to consider the compatibility and optimization of the best AR-15 upper receiver vise block for the left and right-hand mil-spec with carrying handles. The best vice block receivers must allow you to clamp or hold your AR receiver without being damaged or twisted. The best AR-15 upper receiver vise block must withstand stress and pressure even from twisting.
Additional Features
Additional features are also a significant consideration in choosing the best AR-15 upper receiver vise block. Some AR-15 receiver vise block models feature anodized construction, high-pressure polymer material, and solvent-resistant materials, which can resist almost anything.
Some upper receiver vise block products also come with a receive insert and a low-profile gas block and tube configuration system rail that holds the bolt carrier group, like other lower receiver blocks.
AR-15 Upper Receiver Vise Blocks - Our #1 Choice is...
Based on our comprehensive research, our #1 choice for the best AR-15 Upper Receiver Vise block is the Real Avid Lug-Lok Upper Receiver Vise Block. This gunsmithing tool securely fits into all Mil-Spec uppers and avoids upper receiver bench block stress elements during barrel installation.
This upper receiver vise block also uses a star chamber to lock in the barrel lugs. This Ar upper receiver also comes with two clamp receiver pins that prevent rotation while torquing. This receiver is also constructed from durable construction that is non-marring and long-lasting.
Our #1 Recommendation
Real Avid Lug-Lok Upper Receiver Vise Block
- Uses star chamber to lock in the barrel lugs
- Avoids stress elements
- Adjustable pins
- Has lock knobs for added security
