Description
Anyone who has tried to clean or work on an AR-15 while it slides around the bench knows how frustrating it gets. The Wheeler Delta Series Mag Well Vise Block fixes that by slipping right into your rifle's magazine well and locking in using the magazine catch on your receiver. From there, you have a solid, steady platform to run a bore snake, scrub the chamber, swap parts, or just get a good look at what you're doing, in either breech or closed position.
What the Delta Series Mag Well Vise Block Brings to the Bench
The center section rotates a full 180 degrees in small increments and locks wherever you set it, so you can tilt the rifle to the angle that makes the job easiest. There's also a built-in hammer stop that keeps you from dinging up the lower receiver during dry fire, and the whole block is molded from a solvent-resistant polymer that shrugs off cleaners and won't mar your finish. It's the kind of tool that quietly earns a permanent spot on the workbench.
Bolt Service Station and Mounting Options
One of the standout touches is the integrated bolt service station on the side. It locks the bolt in place so you can push out the extractor pin without fighting a part that wants to roll off the table. As for mounting, this block was built to drop into the Tipton Best Gun Vise center rail, but it doesn't require one. The included fasteners let you bolt it right to your bench top instead, and the mag well arm is removable so you can clamp it in a standard bench vise when you want extra rigidity.
It's a straightforward, well thought out piece of gear that takes the wrestling match out of AR maintenance. Whether you're a weekend cleaner or someone who likes to tinker and build, this block turns your bench into a proper work station.
Key Specifications
- Manufacturer: Wheeler Engineering
- Manufacturer Part Number: 156211
- UPC: 661120562115
- Product Type: Vise Block
- Fits: Standard AR-15 lowers
- Color: Gray
- Material: Solvent-resistant, non-marring polymer
- Rotation: 180 degrees, locks in incremental steps
- Mounting: Tipton Best Gun Vise rail, bench top, or bench vise
- Length: 12.9 inches
- Shipping Weight: Approx. 1 lb
What’s Included
- Delta Series AR-15 Mag Well Vise Block
- Bench top mounting fasteners
- Tipton Best Gun Vise mounting fasteners
Frequently Asked Questions
Do I need a Tipton Best Gun Vise to use the Mag Well Vise Block?
No. While it's designed to drop into the center rail of the Tipton Best Gun Vise, it comes with fasteners to mount directly to your bench top instead. You can also remove the mag well arm and clamp it in a standard bench vise if you want extra rigidity.
How does the AR-15 stay locked in the vise block?
The block slides into your rifle's magazine well and locks in using the magazine catch on your receiver, the same way a magazine would. That keeps the rifle steady while you work. Just make sure the bolt is open when you're using the bolt service station feature.
What is the bolt service station for?
It's a spot built into the side of the block that holds your bolt securely in place. This makes servicing the extractor pin much easier, since the bolt won't roll around or slip off the bench while you push the pin out.
Will this fit an AR-10 or LR-308?
This particular block is made for standard AR-15 lowers. Wheeler makes a separate Delta Series version designed for LR-308 and AR-10 style lowers that use SR25 pattern magazines, so grab that one if you're working on a larger frame rifle.




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