
Metalform is a manufacturer of magazines for firearms, with a tradition of metal manufacturing dating back to 1886. Metalform's magazines are constructed of steel, including the followers and most bases. The company is the preferred supplier of high-end magazines to major firearm manufacturers, and its products fit most standard 1911s. Metalform offers a range of magazine capacities, including 7-round, 8-round, and 10-round options, with various base plate configurations such as welded and removable. The base pad of the Ultramag magazine is made of Delrin, a tough polymer that is contoured for a neat fit in the magazine well. This base pad is removable, facilitating easy cleaning and maintenance.
| Characteristics | Values |
|---|---|
| Construction | Steel |
| Base | Welded, Removable |
| Base Pad | Tough Delrin polymer, contoured for a neat fit |
| Magazine Capacity | 7-round, 8-round, 9-round, 10-round |
| Magazine Body | Heat-treated stainless steel, rubber black, carbon steel, natural stainless steel |
| Magazine Follower | Round, flat, curved non-tilt stainless steel |
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What You'll Learn

Metalform magazines are made of steel
The company's magazines are constructed entirely of steel, including all followers and most bases. Metalform offers a range of magazine models, including the Standard 1911 Government and the 1911 Officer, chambered in various calibers such as .45 ACP, .38 Super, 9mm, and 10mm. The magazines are available in different materials, including stainless steel and cold-rolled steel, with varying round capacities, from 6 to 10 rounds.
The Metalform Standard 1911 Government magazines are a popular choice, known for their durability and performance. For example, the .45 ACP model features a welded base plate and a flat skirted follower, ensuring smooth and reliable feeding. Similarly, the .38 Super model is constructed of cold-rolled steel, providing exceptional strength and precision.
In addition to their standard magazines, Metalform also offers Ultramag models with removable base pads made of Delrin polymer. These base pads are designed for a snug fit in the mag well and can be easily removed for cleaning. Metalform magazines are renowned for their attention to detail, with features like witness holes for round count verification and a Springfield-style built-in front ramp for improved round feed into the chamber.
Overall, Metalform magazines are constructed of steel, offering rugged durability and reliable performance. With their focus on quality and compatibility, Metalform has established itself as a trusted supplier of high-end magazines for firearm enthusiasts.
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Metalform Ultramag has a Delrin base pad
The base pad on the Metalform Ultramag is designed to provide a secure and stable platform for the magazine. It helps to protect the magazine from damage and makes inserting it into the firearm easier. The Delrin base pad is also removable, which facilitates easy cleaning and maintenance of the magazine.
The Delrin material used in the base pad is a type of thermoplastic polyoxymethylene, often referred to as POM. This engineering thermoplastic is well-known for its exceptional strength, stiffness, and dimensional stability. Delrin is commonly used in precision parts and components that require high strength and low friction, making it an ideal choice for firearm accessories.
The use of Delrin in the Metalform Ultramag base pad offers several advantages. Firstly, Delrin is highly resistant to wear and abrasion, ensuring that the base pad remains durable and long-lasting. Secondly, Delrin has a low coefficient of friction, which allows for smooth and easy insertion and removal of the magazine. Additionally, Delrin is a lightweight material, contributing to the overall weight reduction of the firearm, which can be advantageous in various shooting applications.
In conclusion, the Metalform Ultramag's Delrin base pad showcases thoughtful engineering and a commitment to quality. This feature not only enhances the durability and functionality of the magazine but also underscores Metalform's attention to detail and their dedication to providing reliable and user-friendly products for shooting enthusiasts.
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Metalform magazines are compatible with most standard 1911s
The Metalform Standard 1911 Government magazine is available in various calibers, including .45 ACP, 9mm, .38 Super, and 10mm. The magazine capacity ranges from 7 to 9 rounds, depending on the caliber. Some models feature a removable base plate, while others have a welded base plate. The base plates can be made of steel or Delrin® polymer, a tough and durable material.
Metalform magazines are known for their high quality and smooth feeding, thanks to features like the heat-treated stainless steel body, ultra-smooth weld seam, and micro-polished interior. The non-tilt stainless steel follower and extra-power Wolff spring ensure fast and positive feeding of various bullet types, including wadcutters. The Delrin® base pad is contoured for a snug fit in the mag well and can be easily removed for cleaning.
In addition to the standard 1911 magazines, Metalform also offers bumper pads that provide additional magazine protection and clearance for extended mag wells. These bumper pads are available in rubber or Delrin® polymer and fit all Metalform 1911 Auto Magazines. Witness holes with high-visibility stamped and painted numbers allow for instant verification of round count.
When choosing between Metalform and other magazine brands, some users have expressed a preference for Metalform due to its focus on 1911 magazines. However, others have mentioned that their pistols may work better with specific brands, so it is recommended to try different options and see which works best for your particular firearm.
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Metalform magazines have 7-10 round capacities
Metalform magazines are constructed entirely of steel, including all followers and most bases. Metalform is the preferred supplier of high-end magazines to all major firearm manufacturers, and their magazines fit most standard 1911s, including Colt, Wilson Combat, Ruger, Springfield, Remington, Smith & Wesson, Kimber, STI, and most custom 1911 platforms by independent manufacturers.
Metalform magazines are available in a range of capacities, including 7, 8, 9, and 10-round capacities. For example, the Metalform Standard 1911 Government .45 ACP magazine is available in both 7 and 8-round capacities, with the 7-round magazine featuring a welded base plate and a flat skirted follower, while the 8-round magazine has a removable base plate and a flat pro follower.
The Metalform Standard 1911 Government magazine is also available in 9mm and .38 Super calibers, with 9-round capacities and removable base plates. Additionally, the Metalform 1911 Officer magazine is offered in *.45 ACP with a 6-round capacity and a welded base plate.
For those seeking higher capacities, Metalform offers a *.40 S&W magazine with a 10-round capacity and a welded base plate. This magazine is designed to meet practical shooting regulations and features a Delrin base pad that can be removed for easy cleaning.
The choice between 7, 8, 9, or 10-round capacities depends on the specific firearm model, user preferences, and applicable laws and regulations. Metalform's focus on manufacturing high-quality magazines for 1911s ensures that their products are reliable and compatible with various pistol platforms.
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Metalform magazines are made in the USA
The magazines are constructed with steel, including followers and bases, and are available in both cold-rolled and stainless steel variants. The base plates can be either welded or removable, with the welded option providing durability and the removable option allowing for easy internal cleaning. Metalform magazines are known for their exceptional fit and finish, ensuring smooth feeding and reliability.
The company also offers magazine bumper pads, which provide additional protection and clearance for extended mag wells. These bumper pads are made of rubber and fit all Metalform 1911 Auto Magazines. Metalform magazines are available in different capacities, ranging from 6 to 10 rounds, depending on the specific firearm model and caliber.
One of the standout features of Metalform magazines is their attention to detail, such as witness holes with high-visibility stamped and painted numbers for instant verification of round count. The base pads are made of Delrin, a tough polymer that is contoured for a neat and snug fit in the mag well. The followers are also designed for positive last-round feeding with all bullet types, including wadcutters.
Overall, Metalform magazines are renowned for their quality and performance, making them a popular choice among shooting enthusiasts in the USA.
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Frequently asked questions
The Metalform Ultramag base pad is made of Delrin(R) polymer, a type of plastic known for its toughness and durability.
Delrin(R) polymer, often referred to as Delrin(R) plastic, is a durable and tough material that is often used in engineering applications. It is known for its strength, stiffness, and resistance to wear and fatigue.
The Delrin(R) polymer base pad provides a neat and snug fit in the mag well, making it easier to insert the magazine. It also protects the magazine from damage and is removable for easy cleaning.
Yes, Metalform offers a range of magazine options with different base plate configurations, including welded and removable steel plates. They also offer magazines with bumper pads for additional magazine protection and improved fit in extended mag wells.

















