$45.00
2 in stock
Online inventory may differ from in-store availability.
Quick turnaround so you get your gear sooner.
Trusted checkout with industry-standard protection.
Keeping Traditions Alive Since 1953
Secure Transactions provided with 
The Area 419 Plus 4 extension is built for shooters who need more rounds without sacrificing reliability. Starting from the American Rifle Company design, Area 419 redesigned it to work across multiple magazine platforms including ARC 10-round, AICS 5 and 10-round, and Accurate magazines in standard bolt face or SAUM/WSM configurations.
What sets this extension apart is the engineering. Most mag extensions are just rectangular blocks, but Area 419 cuts the attachment rail at an angle to match the angled bottom of your magazine pocket. This means the column of rounds travels straight down into the extension instead of being shifted off-axis, which matters when you're pushing capacity beyond a simple plus-two. The extension is machined in a single operation on a 4-axis mill for precision that translates to reliable feeding.
The orange finish includes fluted side surfaces that give you a solid grip point during magazine changes while saving some weight. Depending on your magazine and cartridge, you can expect +4 or +5 rounds on ARC 10-rounders, +3 or +4 on AICS or Accurate 10-round mags, and +2 or +3 on the 5-round versions. Keep in mind these don't work with AI AW magazines due to their fixed floorplates, and they're not compatible with polymer magazine bodies.
Installation is straightforward, and the quality you get matches Area 419's reputation. Whether you're running a precision rifle for competition or just want more ammunition available in the field, this extension is a solid upgrade that keeps feeding geometry in mind.
Yes, the Area 419 Plus 4 extension is designed for AICS magazines. On a 10-round AICS mag you can expect +3 or +4 capacity depending on your cartridge, and +2 or +3 on a 5-round AICS mag. Note that these don't work with polymer magazines like Magpul AICS mags due to material compatibility issues.
On ARC 10-round magazines, the Plus 4 extension typically adds +4 or +5 rounds depending on the specific cartridge you're running. Your actual capacity gain can vary slightly based on case dimensions and how tightly you pack the magazine.
Area 419 cuts the attachment rail at an angle to match the angled bottom pocket of your magazine, so rounds feed straight down rather than being shifted off-axis. Most competitors just use flat rectangular blocks. This precision matters when pushing capacity higher than +2 rounds and helps maintain reliable feeding geometry.
Installation is straightforward and doesn't require a gunsmith. You simply attach the extension to your magazine's floor plate. The fluted grip surfaces on the extension help make removal and replacement easy when you need to swap magazines in the field.
Yes, the extension works with Accurate magazines in standard bolt face or SAUM/WSM configurations. Depending on your mag capacity and cartridge, you'll see +2 to +4 additional rounds. Just make sure you're using a steel magazine body, as it's not compatible with polymer magazine platforms.
The extension is precision-machined with an orange finish that matches Area 419's quality standard. The fluted design adds both visual appeal and practical grip texture. Like any anodized finish on aluminum, it holds up well to regular use though it may show cosmetic wear with heavy handling.
| UPC | 850002933048 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 419-MAG-EXT-ORANGE |
You must be logged in to post a review.
Reviews
There are no reviews yet.