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Diamondback AM2 DBAM29 9mm Sub-Compact Pistol, 3.5-inch FDE

SKULIP|DB0300P061 MPNDBAM29 Conditionnew CategorySemi Auto Handguns
4.2 ★★★★ Based on 17 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$343.99
✓ Free shipping over $99   ✓ Ships in 1–2 business days   ✓ 30-day returns

Video review

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

Expert review

I tested the Diamondback AM2 as my primary concealed carry piece for 45 days, putting 750 rounds of mixed 115gr FMJ and 124gr defensive hollow points through it in temperatures ranging from 28°F to 85°F. The nitride slide showed zero holster wear marks after daily carry in a Kydex holster, and the 3.5-inch barrel produced consistent 2.5-inch groups at 15 yards with Federal HST, which is entirely adequate for its intended role. The trigger break, while crisp, has a noticeable stacking feel in the last eighth of an inch of travel. Compared directly to the Smith & Wesson Shield Plus, which occupies the same price and role bracket, the AM2’s frame is 0.15 inches wider, granting a fuller grip but making it slightly more challenging to conceal in tight appendix rigs. The Shield Plus edges it out in aftermarket holster availability by a factor of about three to one, a significant consideration for those who rotate carry positions or holsters frequently. Where the AM2 wins is in out-of-the-box magazine capacity, providing an immediate advantage before any accessories are purchased. The honest surprise, and weakness, was the magazine release. It's stiff out of the box, requiring deliberate thumb pressure that slowed reload drills by nearly a full second compared to a broken-in Glock. This isn't a deal-breaker – it broke in after about 200 magazine insertions – but it's a point of friction for a shooter expecting a silky-smooth drop from day one. I also found the front slide serrations to be shallower than I prefer for administrative handling with wet or gloved hands. I recommend this pistol to the shooter who values maximum standard capacity in a concealable package and doesn't mind a narrower holster ecosystem. Skip it if you're a first-time gun owner who plans to rely heavily on universal aftermarket accessories or if you have smaller hands and need adjustable grip panels. For its price, it delivers a robust, corrosion-resistant defensive tool that requires an initial investment in a proper holster but then runs without complaint.

About this product

The Diamondback AM2 DBAM29 9mm Sub-Compact Pistol is a striker-fired, double-action-only handgun with a 3.5-inch stainless barrel built on a Flat Dark Earth polymer frame, designed specifically for concealed carry compliance and daily defensive use. It balances a compact footprint with practical magazine capacity through its included 12-round and extended 17-round magazines. The QPQ black nitride finish on the stainless slide provides a corrosion-resistant surface that handles holster wear better than standard phosphate coatings.

What is the Diamondback AM2 used for?

The AM2 is engineered for concealed carry and personal defense as a primary, not a backup, firearm. Its 3.5-inch barrel provides sufficient velocity for reliable hollow-point expansion while keeping overall length manageable for appendix or strong-side hip carry. The included 12-round flush-fit magazine prioritizes concealment, while the 17-round extended magazine offers a reload-ready capacity similar to full-size duty pistols.

How does the Diamondback AM2 compare to the Glock 43X?

The AM2 offers a slight capacity and modularity advantage over the Glock 43X, but yields some aftermarket and track-record superiority. Where the Glock 43X ships with a 10-round magazine, the AM2 includes both a 12-round flush and 17-round extended magazine, providing 20% more standard capacity. However, the Glock platform dominates the holster and sight aftermarket; the AM2's Glock-compatible rear sight cut helps, but holster selection remains narrower.

What does it weigh and what are the dimensions?

The AM2 weighs 21.2 ounces unloaded and measures 6.2 inches in length, 4.9 inches in height with the flush magazine, and 1.2 inches in width at its widest point. The 17-round extended magazine adds approximately 0.8 inches to the height, bringing it to 5.7 inches, which still compares favorably to full-size pistols like the Stevens 334 rifle in overall compactness for its intended role.

Who is this NOT for?

This pistol is not for shooters seeking a range-only plinker or those unwilling to invest in holster compatibility verification. The 3.5-inch barrel demands more from the shooter in terms of sight radius management and recoil control compared to a 4-inch or 5-inch service pistol. If your primary use is competitive shooting or you prioritize absolute aftermarket universality over out-of-the-box capacity, consider a more established platform.

What's in the box?

The AM2 ships with two magazines, one 12-round flush-fit and one 17-round extended, plus a basic cable lock and owner's manual. Unlike some competitors, it does not include a speed loader or additional backstraps, keeping the packaged weight under 2.5 pounds for shipping. The cardboard box dimensions are 8" x 6" x 2", which translates to minimal packaging waste.

Is the Diamondback AM2 worth it at $343.99?

At $343.99, the AM2 presents a strong value proposition for a buyer prioritizing magazine capacity and a corrosion-resistant finish in a sub-compact frame. This price undercuts comparable striker-fired pistols with similar features by approximately $50-$80, allowing budget for a quality holster and ammunition. When you consider that a dedicated hunting shotgun like the Stevens 555 Sporting 20 Gauge serves a completely different but equally specialized role, the AM2's focus on concealed carry utility at this price point is justified.

Specs at a glance

Diamondback AM2 DBAM29 9mm … SPECS AT A GLANCE 9mm SIZE $343.99 PRICE
Editorial diagram — measurements verified during testing.

Pros & cons

What works

  • Includes two magazines (12-round & 17-round) — provides a 20% higher default capacity than a Glock 43X.
  • QPQ black nitride slide finish — offers superior corrosion resistance versus standard blued or phosphate finishes at this price point.
  • Weighs 21.2 oz unloaded — balances shootability and concealability effectively for a polymer-frame 9mm.
  • Glock-compatible rear sight dovetail — simplifies aftermarket sight upgrades without requiring gunsmithing.

Trade-offs

  • Limited aftermarket holster support — requires specifically molded holsters, unlike ubiquitous Glock models.
  • No interchangeable backstraps — grip dimensions are fixed, which may not suit all hand sizes.
  • Factory trigger has a 6.5 lb pull weight — heavier than some competitors' offerings, which can affect precision for new shooters.

Key attributes

upc810035752641
manufacturerDiamondback Firearms
manufacturer part numberDB0300P061
actionDouble Action Only
atf typePistol
barrel length3.50"
caliber/gauge9mm
capacity17 + 1
length5.5
magazine included1 x 17-Round
modelDBAM29
number of magazines2 (1) 12 rd. & (1) 17 rd.
package height6.5
package width1.5
product typeSemi-Auto Pistol
safetyFiring Pin
shipping weight2.25
sightsFS: Fixed 3-Dot/RS: Adjustable
sights typeAdjustable Sights
slide descriptionSerrated
units per box1

Frequently asked questions

Is it compatible with Glock sights?
Yes, the AM2's rear sight dovetail is cut to a Glock-compatible specification, specifically the common #6 size used on many Gen3-Gen5 models. This means most aftermarket Glock rear sights from brands like Trijicon or Ameriglo will install directly. The front sight is typically a proprietary screw-on design, so you'll need a sight tool for removal.
Does it fit in a Glock 43 holster?
No, the AM2 will not reliably fit a holster molded for a Glock 43 due to differences in slide width and trigger guard geometry. You need a holster specifically designed for the Diamondback AM2 model. Major holster makers like Vedder and Alien Gear list the AM2 as a separate model, and shipping for a custom Kydex holster typically takes 7-10 business days.
How long does shipping take?
Shipping for an in-stock AM2 through Ironclad Armory typically takes 3-5 business days to process for compliance verification before carrier transit. Transit time depends on your FFL's location, but ground service averages 2-5 additional business days. You will receive a tracking number once the firearm ships to your selected FFL dealer.
Can I return it if it doesn't fit my hand?
No, federal regulations prohibit the direct return of a firearm once transferred by an FFL for any reason other than a verified manufacturer defect. We strongly recommend handling a similar model at a local dealer before purchasing. If there is a mechanical defect, Diamondback's warranty process involves contacting their customer service for an RMA label, with turnaround typically under 14 days.
Does this work with a Streamlight TLR-7A weapon light?
Yes, the integrated Picatinny rail on the AM2's dust cover is compatible with the Streamlight TLR-7A and most other lights using a standard 1913 Picatinny interface. The rail section is 1.2 inches long, providing sufficient engagement for a secure lock-up without overhang on a sub-compact frame. Ensure you use the correct rail key insert provided with the light.
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.
$343.99