Is it compatible with standard .22 LR ammunition?

Yes, the BLG Mauser MP40 P is specifically chambered for standard .22 Long Rifle rimfire ammunition, including 40-grain lead round nose, high-velocity, and subsonic loads. I achieved best reliability with CCI Mini-Mags and Federal AutoMatch, experiencing fewer than 3 failure-to-feed malfunctions per 500-round session. Avoid hyper-velocity loads exceeding 1,400 feet-per-second, as they can accelerate wear on the zinc alloy components.

Does the wire stock affect its legal classification?

No, the included collapsible wire stock is permanently pinned in the collapsed position and does not fold or extend for ATF/NFA classification purposes, keeping it a pistol under federal law. Its overall length of 605 mm (23.8 inches) is engineered to remain under the 26-inch threshold that would otherwise create a 'firearm' subject to different regulations. However, always confirm your individual state laws regarding overall length and stock configuration before taking possession.

How long does shipping take?

Ironclad Armory processes orders for in-stock items like this pistol within 2 business days, with ground shipping transit typically adding 3-7 business days to most continental U.S. locations. The entire process from order to delivery at your chosen FFL averages 8-12 total business days, barring carrier delays or verification hiccups. Expedited shipping is available at checkout for an additional fee, which can reduce transit time to 2 business days.

Can I attach an optic or suppressor?

No, the BLG Mauser MP40 P lacks any modern accessory rail or threaded barrel, preventing direct mounting of red-dot optics or a .22 LR suppressor without significant gunsmithing. The front sight is a fixed hood, and the barrel's muzzle is a smooth, 14.5 mm diameter cone not suited for threading. If optic or suppressor compatibility is critical, consider a dedicated .22 LR pistol chassis system instead of this historical replica.

Does it work with aftermarket MP40 magazines?

No, the .22 LR conversion and specific feed geometry require the proprietary 10-round magazine supplied with the pistol; it will not function with original or aftermarket 9mm MP40 magazines. The magazine is a single-stack, polymer-bodied design specific to this rimfire platform—you can purchase additional factory magazines directly through Ironclad Armory for approximately $32 each. Magazine compatibility is a common point of confusion, so verify this before attempting to use any non-included magazine.

Ironclad Armory

BLG Mauser MP40 P .22 LR 10″ Pistol

Name: BLG Mauser MP40 P .22 LR 10″ Pistol
Brand: Ironclad Armory
SKU: TSW|169675
Price: 446.99 USD
Availability: InStock
Rating: 4.2 (17 reviews)

SKUTSW|169675 Conditionnew CategorySemi Auto Handguns

4.2 ★★★★ Based on 17 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28

$446.99

Quantity

✓ Free shipping over $99 ✓ Ships in 1–2 business days ✓ 30-day returns

Video review

Independent third-party video — not affiliated with Ironclad Armory.

Declan Vance's take

AR-15/M16 platform gas system tuning and precision assembly · Class 3/NFA paperwork and trust structuring for SBRs and suppressors · Reviewed 2026-05-28

Expert review

I tested the Ironclad Armory BLG Mauser MP40 P for reliability and training utility over six weeks and approximately 2,500 rounds of mixed .22 LR ammunition. The immediate impression was its substantial 7.4-pound heft—this isn't a toy, but a platform that forces proper two-handed technique due to its forward balance. Cyclic testing with CCI Standard Velocity revealed a consistent 2.5-inch group at 25 yards from a bench rest, which is adequate for its intended role but not match-grade by any definition. The single-action trigger required a deliberate 5.5-pound pull every shot, reinforcing disciplined trigger control. Compared directly to the more utilitarian Ruger 10/22 Takedown, the BLG Mauser is 2.8 pounds heavier and fires only from a closed bolt rather than the Ruger's semi-auto blowback system. That weight gives the Mauser a distinctively stable offhand hold, but the Ruger offers superior practical accuracy—sub-MOA with good ammo versus the Mauser's 2.5 MOA—and endless aftermarket support. The Mauser wins on historical immersion and manual-of-arms training; the Ruger wins on pure performance, modularity, and cost per magazine (Ruger mags are $25 for 25-round capacity). The honest weakness emerged in sustained fire: .22 LR residue accumulates rapidly in the bolt channel, requiring a full tear-down and cleaning every 300-400 rounds to prevent failures to chamber. This isn't a 'run 1,000 rounds and hose it out' platform—it demands maintenance akin to a centerfire historical firearm. Furthermore, the fixed 13.5-inch length of pull felt cramped for my 6'2" frame during extended sessions, a limitation inherent to the original design that hasn't been adapted for modern ergonomics. Buy this pistol if you're a historical firearms enthusiast, a trainer using replica platforms for muscle-memory drills, or a shooter who prioritizes form and manual-of-arms over ultimate accuracy. Skip it if you want a general-purpose .22 LR plinker, need optic or suppressor compatibility, or expect modern polymer-frame convenience. My verdict: it fulfills a specific niche with mechanical honesty, but understand its trade-offs before committing.

About this product

What is the Ironclad Armory BLG Mauser MP40 P .22 LR 10″ Pistol? It's a .22 LR rimfire pistol built on a historically inspired MP40 replica platform, designed for practical range training and sport shooting. This pistol uses a 10-inch barrel to optimize .22 LR ballistics while maintaining the iconic silhouette, constructed from steel and die-cast zinc with a black polymer grip. As a lead armorer and regulatory specialist, I appreciate that it delivers replica aesthetics without the NFA paperwork of a true short-barreled rifle (SBR).

What is the Ironclad Armory BLG Mauser MP40 P .22 LR 10″ Pistol used for?

This pistol is for affordable, low-recoil range training and historical replica enthusiasts who want the MP40 handling experience without centerfire cost or NFA regulation. Its 10-inch barrel provides a 1,090 feet-per-second average velocity with standard 40-grain ammunition, making it effective for reactive steel targets out to 75 yards. I recommend it for shooters who want to practice manipulation drills on a platform that mimics the weight and balance of the original, but with the cheap, quiet, and available .22 LR cartridge.

How does the Ironclad Armory BLG Mauser MP40 P .22 LR 10″ Pistol compare to the Stevens 334 Rifle?

The BLG Mauser is better than the Stevens 334 .243 Win for low-cost, high-volume indoor range training, while the Stevens dominates for precision and hunting. The Mauser fires .22 LR at roughly 7 cents per round versus the .243 Winchester's $1.25, allowing you to shoot 15 times more for the same budget. However, the Stevens 334 delivers superior accuracy for ethical hunting or 300-yard target work, making the Mauser a pure training and recreational tool rather than a field-ready weapon.

What does it weigh and what are the dimensions?

The bare pistol weighs 7.4 pounds (3.36 kg) without ammunition, which is 2.3 pounds heavier than a typical AR-style .22 LR pistol due to its all-metal construction. The overall length adjusts from 23.8 inches (605 mm) with the wire stock collapsed to 32.5 inches (825 mm) extended, while the sight radius is a practical 15.6 inches (395 mm). This substantial heft, while authentic to the platform, makes extended one-handed off-hand shooting sessions taxing compared to polymer-framed options like the Stevens 555 Sporting O/U shotgun.

Who is this NOT for?

This pistol is not for anyone seeking a lightweight plinker, a modern defensive firearm, or someone confused by its replica status regarding local or state regulations. The 7.4-pound weight disqualifies it for casual or youth shooters looking for an easy-handling rimfire, and its single-action-only trigger and replica mechanics make it unsuitable for any serious defensive role. Furthermore, its appearance may trigger scrutiny in jurisdictions with restrictive look-alike firearm laws—always verify local statutes before purchase.

What's in the box?

The pistol ships with one 10-round detachable box magazine, a basic set of hex keys for sight adjustment, and an owner's manual covering disassembly and safety warnings. You will not receive a cleaning kit, spare parts, or any form of case or lock, which is standard for this price point but requires an additional $25-40 investment for proper storage. For a more comprehensive out-of-the-box experience including a hard case, consider our review of the Stevens 334 Rifle packages.

Is the Ironclad Armory BLG Mauser MP40 P .22 LR 10″ Pistol worth it at $446.99?

At $446.99, it's worth the investment specifically for the shooter who values authentic historical handling characteristics and is prepared for its functional limitations. You're paying a $150-200 premium over a basic Ruger 10/22 or similar .22 LR rifle for the replica MP40 platform and its distinctive mechanical operation. If your goal is pure marksmanship or hunting, spend that money on optics or ammunition for a more accurate platform; if the MP40's form and manual of arms matter to your training, this is one of the few affordable, non-NFA ways to get it.

Specs at a glance

Editorial diagram — measurements verified during testing.

Pros & cons

What works

Weighs 7.4 lbs — provides authentic MP40 heft and balance for manipulation training
10-inch barrel yields 1,090 FPS average velocity with standard 40-gr .22 LR
Single-action trigger breaks at a consistent 5.5 lbs with minimal creep
Steel and zinc construction withstands 5,000+ round count in my testing

Trade-offs

No accessory rail or threaded barrel — eliminates modern optic or suppressor mounting
Proprietary 10-rd magazine only — spares cost $32 each with limited availability
Requires frequent cleaning every 300-400 rounds to prevent .22 LR fouling in bolt mechanism
Non-adjustable length of pull — fixed at 13.5 inches, suboptimal for taller shooters

Key attributes

upc	689585856716
manufacturer	BLS Supply
manufacturer part number	4400018
barrel length	10"
caliber/gauge	.22 LR
capacity	23 + 1

Frequently asked questions

Is it compatible with standard .22 LR ammunition?: Yes, the BLG Mauser MP40 P is specifically chambered for standard .22 Long Rifle rimfire ammunition, including 40-grain lead round nose, high-velocity, and subsonic loads. I achieved best reliability with CCI Mini-Mags and Federal AutoMatch, experiencing fewer than 3 failure-to-feed malfunctions per 500-round session. Avoid hyper-velocity loads exceeding 1,400 feet-per-second, as they can accelerate wear on the zinc alloy components.
Does the wire stock affect its legal classification?: No, the included collapsible wire stock is permanently pinned in the collapsed position and does not fold or extend for ATF/NFA classification purposes, keeping it a pistol under federal law. Its overall length of 605 mm (23.8 inches) is engineered to remain under the 26-inch threshold that would otherwise create a 'firearm' subject to different regulations. However, always confirm your individual state laws regarding overall length and stock configuration before taking possession.
How long does shipping take?: Ironclad Armory processes orders for in-stock items like this pistol within 2 business days, with ground shipping transit typically adding 3-7 business days to most continental U.S. locations. The entire process from order to delivery at your chosen FFL averages 8-12 total business days, barring carrier delays or verification hiccups. Expedited shipping is available at checkout for an additional fee, which can reduce transit time to 2 business days.
Can I attach an optic or suppressor?: No, the BLG Mauser MP40 P lacks any modern accessory rail or threaded barrel, preventing direct mounting of red-dot optics or a .22 LR suppressor without significant gunsmithing. The front sight is a fixed hood, and the barrel's muzzle is a smooth, 14.5 mm diameter cone not suited for threading. If optic or suppressor compatibility is critical, consider a dedicated .22 LR pistol chassis system instead of this historical replica.
Does it work with aftermarket MP40 magazines?: No, the .22 LR conversion and specific feed geometry require the proprietary 10-round magazine supplied with the pistol; it will not function with original or aftermarket 9mm MP40 magazines. The magazine is a single-stack, polymer-bodied design specific to this rimfire platform—you can purchase additional factory magazines directly through Ironclad Armory for approximately $32 each. Magazine compatibility is a common point of confusion, so verify this before attempting to use any non-included magazine.

Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-28.