
Availability: In Stock
Current Stock: Out of stock
The Accurate Mag Long Action AICS Magazine for .300 Winchester Magnum is purpose-built for shooters running AICS-pattern stocks and compatible bottom metals. This 5-round magazine uses the 3.715" cartridge length, which is the standard dimension found on many factory long-action rifles and the popular MDT TAC-21 chassis—making it an excellent choice whether you're upgrading a traditional rifle or building a modern precision platform.
Built from heat-treated steel and finished in black Teflon coating, this magazine resists corrosion and handles the recoil and feeding demands of magnum rifle duty. The polymer followers ensure smooth, reliable rounds and won't bind or wear prematurely. USA manufacturing means quality control and support from a company invested in the American shooting community.
If you're assembling a .300 Win Mag precision rifle or need a spare magazine that feeds without compromise, this AICS mag delivers the durability and compatibility serious hunters and long-range shooters expect. Whether you're stocking a new build or refreshing your existing setup, a quality magazine is non-negotiable—and this one won't let you down in the field or at the range.
| Brand | Accurate Mag |
| Magazine Type | AICS Long Action |
| Caliber | .300 Winchester Magnum |
| Capacity | 5 rounds |
| Cartridge Length | 3.715" |
| Material | Heat-treated steel |
| Finish | Black Teflon coating |
| Followers | Polymer |
| Country of Origin | USA |
This magazine is designed to work with AICS-pattern stocks and AICS-compatible bottom metals. The 3.715" length is the standard specification for many factory long-action rifles and the MDT TAC-21 long action chassis.
The 3.715" cartridge length is used on many factory .300 Win Mag rifles and the MDT TAC-21 chassis. If you're unsure about your specific rifle, verify your bottom metal's cartridge length specification or consult your rifle's documentation before ordering.
The magazine is built from heat-treated steel and coated with black Teflon for corrosion resistance, so it holds up to outdoor conditions and hard use. Polymer followers feed rounds smoothly without binding, even under the recoil impulse of magnum rifle cartridges.
Yes, Accurate Mag manufactures this magazine in the USA.

SKU: 194195290 • Weight: 0.45oz





Availability: In Stock
Current Stock: Out of stock
The Accurate Mag Long Action AICS Magazine for .300 Winchester Magnum is purpose-built for shooters running AICS-pattern stocks and compatible bottom metals. This 5-round magazine uses the 3.715" cartridge length, which is the standard dimension found on many factory long-action rifles and the popular MDT TAC-21 chassis—making it an excellent choice whether you're upgrading a traditional rifle or building a modern precision platform.
Built from heat-treated steel and finished in black Teflon coating, this magazine resists corrosion and handles the recoil and feeding demands of magnum rifle duty. The polymer followers ensure smooth, reliable rounds and won't bind or wear prematurely. USA manufacturing means quality control and support from a company invested in the American shooting community.
If you're assembling a .300 Win Mag precision rifle or need a spare magazine that feeds without compromise, this AICS mag delivers the durability and compatibility serious hunters and long-range shooters expect. Whether you're stocking a new build or refreshing your existing setup, a quality magazine is non-negotiable—and this one won't let you down in the field or at the range.
| Brand | Accurate Mag |
| Magazine Type | AICS Long Action |
| Caliber | .300 Winchester Magnum |
| Capacity | 5 rounds |
| Cartridge Length | 3.715" |
| Material | Heat-treated steel |
| Finish | Black Teflon coating |
| Followers | Polymer |
| Country of Origin | USA |
This magazine is designed to work with AICS-pattern stocks and AICS-compatible bottom metals. The 3.715" length is the standard specification for many factory long-action rifles and the MDT TAC-21 long action chassis.
The 3.715" cartridge length is used on many factory .300 Win Mag rifles and the MDT TAC-21 chassis. If you're unsure about your specific rifle, verify your bottom metal's cartridge length specification or consult your rifle's documentation before ordering.
The magazine is built from heat-treated steel and coated with black Teflon for corrosion resistance, so it holds up to outdoor conditions and hard use. Polymer followers feed rounds smoothly without binding, even under the recoil impulse of magnum rifle cartridges.
Yes, Accurate Mag manufactures this magazine in the USA.
SKU: 194195290 • Weight: 0.45oz
