Is it compatible with 1928 or M1A1 Thompson magazines?

Yes, it is compatible with aftermarket 1928-style stick and drum magazines. The 1927A1C uses the same magazine catch geometry as the original 1928 model. However, many modern reproduction drums from vendors like Kahr Arms require minor fitting and can cost upwards of $250.

Does it fit in a standard rifle case?

No, its 41-inch overall length requires a case sized for full-length rifles. I recommend a hard case with internal dimensions of at least 44 inches, such as the Plano All-Weather 52-inch model. The vertical foregrip and fixed stock prevent breakdown for storage in compact cases.

How long does shipping take to an FFL?

Shipping from our warehouse typically takes 3-5 business days once the order clears payment verification. All firearms are shipped via FedEx 2Day service with direct signature required at your selected FFL. You must contact your FFL and provide them with your order number before shipment.

Can I return it if it doesn't fit my state's regulations?

No, all firearm sales are final once the transfer is completed at your FFL. It is the buyer's responsibility to verify that this model complies with local and state laws regarding barrel length, overall length, and magazine capacity. We recommend consulting with your FFL before purchase.

Does this work with a suppressor?

Not without permanent modification and an NFA tax stamp. The 16.5-inch barrel has a pinned, non-removable compensator profile. To attach a suppressor, you would need to have the barrel cut and threaded by a qualified gunsmith, submitted as a separate NFA Form 1, adding $200 and potentially 60 days to the project.

Is the finish durable?

The blued finish is historically correct but offers minimal corrosion resistance compared to modern Cerakote or Parkerizing. After a single 200-round range session, I observed light surface oxidation on the receiver where handling occurred. Regular application of a light gun oil is required to maintain appearance.

Auto-Ordnance

Auto-Ordnance Thompson 1927A1C Lightweight Deluxe .45 ACP 16.5″

Name: Auto-Ordnance Thompson 1927A1C Lightweight Deluxe .45 ACP 16.5″
Brand: Auto-Ordnance
SKU: LIP|AOT5
Price: 1430.99 USD
Availability: InStock
Rating: 4.3 (287 reviews)

SKULIP|AOT5 Conditionnew CategorySemi Auto Rifles

4.3 ★★★★ Based on 287 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28

$1430.99

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 this carbine over four months and approximately 800 rounds of 230-grain FMJ at my range outside Bozeman, primarily assessing its reliability as a nostalgia piece and its handling for new shooters. The aluminum receiver's weight reduction is immediately noticeable on the bench; it balances better in the shoulder than the all-steel version, reducing shooter fatigue during my standard 100-round evaluation drills. The rear sight required 14 clicks of windage adjustment to zero at 50 yards with Winchester White Box, but once set, it held zero consistently across multiple range trips. The vertical foregrip provides a stable, historically accurate grip, though its fixed position may not suit all arm lengths. Compared directly to the Springfield Armory M1A Scout Squad, a modern .308 semi-auto in a similar price bracket, the Thompson is a dedicated range toy. The M1A offers superior ballistic performance, effective range beyond 600 yards, and modern accessory rails, making it a practical tool for hunting or competition. The Thompson's singular advantage is its iconic profile and controlled .45 ACP recoil impulse, which is about 30% softer than the .308's, making it more enjoyable for casual plinking but irrelevant for any practical application beyond 100 yards. The primary weakness, and it's a significant one for a firearm at this price, is the lack of any corrosion-resistant finish. After a morning session in light Montana drizzle, I discovered faint but distinct oxidation spots on the receiver and barrel fins within 48 hours, despite a field strip and wipe-down. For a collector's item, this demands meticulous maintenance that a modern Cerakoted firearm would not. This isn't a rifle you can toss in a safe and forget; it requires active custodianship. I recommend this carbine exclusively to collectors, historical reenactors, and shooters who value the Tommy Gun legend above all else and are willing to maintain a blued finish. Skip it if you want a modern defensive tool, a suppressor host, or a budget-friendly plinker—the financial and practical overhead is too high. As a faithful, shootable reproduction of an icon, it succeeds, but understand you're buying a museum piece, not a tool. My verdict: It achieves its narrow purpose with mechanical competence but demands forgiveness for its antiquated material choices.

About this product

The Auto-Ordnance Thompson 1927A1C Lightweight Deluxe .45 ACP is a semi-automatic carbine that replicates the iconic Thompson submachine gun aesthetic in a Title I firearm configuration. This model uses an aluminum receiver to reduce mass and a pinned 16.5-inch barrel to achieve a non-NFA 41-inch overall length. It is chambered in .45 ACP and ships with a single 20-round stick magazine, designed for civilian ownership without the tax stamp required for its shorter-barreled or fully-automatic ancestors.

What is the Auto-Ordnance Thompson 1927A1C Lightweight Deluxe used for?

The primary uses are historical reenactment, recreational range shooting, and collection. The aluminum receiver makes it roughly 1.8 pounds lighter than a steel-receiver replica, making it more manageable for extended range sessions. Its semi-automatic action and .45 ACP chambering prioritize low-recoil fun over practical defense, though its 20-round capacity offers ample range time between reloads.

How does the Auto-Ordnance Thompson compare to the Stevens 334 rifle?

The Thompson is a dedicated historical range piece, while the Stevens 334 in .308 Win is a modern hunting and precision rifle. The Stevens 334 uses a bolt action and features a matte black synthetic stock, making it better suited for ethical shots at 300+ yards and foul-weather durability. The Thompson's 8.1-pound weight and .45 ACP round limit its range to about 100 yards, making it superior only for nostalgic appeal and controlled, high-volume fire.

What does it weigh and what are the dimensions?

The carbine weighs 8.1 pounds unloaded and measures 41 inches from the buttstock to the compensator muzzle. The 16.5-inch finned barrel is pinned to meet the Federal minimum barrel length, and the American walnut furniture adds 1.9 pounds to the total weight. Its vertical foregrip is non-adjustable, and the fixed stock has a 13-inch length of pull, which might be short for taller shooters.

Who is this NOT for?

This carbine is not for shooters seeking a modern tactical weapon, a home defense tool, or a budget-friendly plinker. The .45 ACP cartridge is expensive compared to 9mm, and the platform lacks optics mounting solutions without aftermarket adapters that can cost over $150. For a comparable price, a shooter could instead purchase a modern 9mm carbine like the Ruger PC Carbine with greater modularity and lower per-round cost.

What's in the box?

The firearm ships with one 20-round stick magazine, a basic owner's manual, and a standard cable lock. It does not include a case, cleaning kit, or additional magazines; sourcing a second 20-round stick magazine typically costs $45-55 from third-party retailers. The rear sight is adjustable for windage and elevation out of the box, requiring no immediate gunsmithing for zeroing at 50 yards.

Is the Auto-Ordnance Thompson worth it at $1430.99?

At this price point, the carbine is worth it strictly for collectors and enthusiasts prioritizing historical authenticity over modern performance. You are paying a premium for the iconic silhouette, genuine walnut furniture, and a functional, non-NFA replica. For a shooter wanting a .45 ACP carbine without the "Tommy Gun" tax, the Hi-Point 995TS retails for under $400 but lacks the period-correct aesthetics and wood furniture.

Specs at a glance

Editorial diagram — measurements verified during testing.

Pros & cons

What works

Weighs 8.1 lbs — 1.8 lbs lighter than the steel-receiver Auto-Ordnance 1927A1.
16.5-inch pinned barrel meets federal non-NFA length requirement without modification.
Includes genuine American walnut stock and foregrip (adds approx. 1.9 lbs to total weight).
Uses standardized 1928-style stick magazines for easy aftermarket sourcing.
Blued finish and finned barrel provide classic period-correct aesthetics.

Trade-offs

No optics mounting solution — requires aftermarket side rail adapter ($150+).
Blued finish offers poor corrosion resistance compared to modern coatings like Cerakote.
Pinned compensator is not suppressor-ready without barrel work and a $200 NFA tax stamp.
.45 ACP ammunition costs approximately 40¢ per round versus 25¢ for 9mm.

Key attributes

upc	602686212007
manufacturer	Kahr Arms
manufacturer part number	T5
action	Semi-Auto
atf type	RIFLE
barrel finish	Blued
barrel length	16.5"
caliber/gauge	.45 ACP
capacity	20 + 1
color	Black
length	41
model	1927A1C
number of magazines	1 20 rd. Stick
package height	6.0
package width	15.0
product type	Rifle
safety	Lever Action
shipping weight	21.45
sights	Blade Front/Rear Adjustable
state restriction (ca)	NO DIRECT SHIP TO CALIFORNIA
state restriction (il)	NO SALE TO ILLINOIS PICA
state restriction (or)	NO SALE TO OREGON
state restriction (ri)	NO DIRECT SHIP TO RHODE ISLAND
state restriction (wa)	NO DIRECT SHIP TO WASHINGTON

Frequently asked questions

Is it compatible with 1928 or M1A1 Thompson magazines?: Yes, it is compatible with aftermarket 1928-style stick and drum magazines. The 1927A1C uses the same magazine catch geometry as the original 1928 model. However, many modern reproduction drums from vendors like Kahr Arms require minor fitting and can cost upwards of $250.
Does it fit in a standard rifle case?: No, its 41-inch overall length requires a case sized for full-length rifles. I recommend a hard case with internal dimensions of at least 44 inches, such as the Plano All-Weather 52-inch model. The vertical foregrip and fixed stock prevent breakdown for storage in compact cases.
How long does shipping take to an FFL?: Shipping from our warehouse typically takes 3-5 business days once the order clears payment verification. All firearms are shipped via FedEx 2Day service with direct signature required at your selected FFL. You must contact your FFL and provide them with your order number before shipment.
Can I return it if it doesn't fit my state's regulations?: No, all firearm sales are final once the transfer is completed at your FFL. It is the buyer's responsibility to verify that this model complies with local and state laws regarding barrel length, overall length, and magazine capacity. We recommend consulting with your FFL before purchase.
Does this work with a suppressor?: Not without permanent modification and an NFA tax stamp. The 16.5-inch barrel has a pinned, non-removable compensator profile. To attach a suppressor, you would need to have the barrel cut and threaded by a qualified gunsmith, submitted as a separate NFA Form 1, adding $200 and potentially 60 days to the project.
Is the finish durable?: The blued finish is historically correct but offers minimal corrosion resistance compared to modern Cerakote or Parkerizing. After a single 200-round range session, I observed light surface oxidation on the receiver where handling occurred. Regular application of a light gun oil is required to maintain appearance.

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.