DeWalt 300-600 ml Sausage Pack Adhesive Gun (Tool Only)

On curtain wall punch-list days, laying clean, consistent beads of silicone is half the battle. I’ve been putting the DeWalt 20V adhesive gun through daily work—glazing, waterproofing details, and long interior joint runs—and it has earned a spot in my kit for its control and convenience, with a few quirks worth noting.

Setup and compatibility

Out of the box, the tool-only configuration means you’ll need your own 20V pack and charger. If you’re already on DeWalt’s platform, that’s a non-issue. The quick-connect canister trays let me swap between 300 ml and 600 ml sausages without tools. The trays index positively into the body, and once you learn the order of operations (release, align, click), changeovers take under a minute. I’ve run latex, silicone, and polyurethane sausages through it; it doesn’t pick favorites. The included seal puncture tool is handy on 10 oz tubes when I’m not using sausages.

The spec sheet lists up to 21.3 oz capacity and a top dispense speed around 21 in./min. Those numbers feel accurate in the hand. For thick urethanes, it’s not a fire hose, but it has enough push to keep pace on longer runs without bogging, even on colder mornings.

Flow control that actually behaves

Two things make or break a powered caulk gun: how the flow starts and how it stops. Here, the variable-speed trigger and the top-mounted dial work together nicely. I set the dial to cap the maximum rate for the material at hand—low for glazing silicone, mid-range for construction adhesive—and then meter final flow with the trigger. The lockable trigger is great for ladder work; once I’m dialed in, I don’t worry about accidental squeezes moving between beads.

Start-up is smooth with minimal surge, so I’m not fighting blobs at the beginning of a pass. More importantly, the anti-drip retraction kicks in immediately when I release the trigger. The rod backs off just enough to stop pressure without sucking air or collapsing the bead. On verticals, the tails are short and predictable. Compared to a manual gun, I spend less time wiping and more time moving.

There is a learning curve. Between the speed dial, the trigger, and the quick-change tray latch, you’re interacting with more than one control. The flow controls are intuitive; the tray latch less so. If you don’t positively seat the canister tray, you’ll notice a hint of rotational play in the barrel. It hasn’t affected bead quality for me, but it can make the tool feel looser than it is. Snap it in properly, and the play disappears.

Power and battery life

With a 2.0Ah pack, I comfortably get through a half day of intermittent use on 600 ml sausages of silicone. With a 5.0Ah pack, I can run a full shift of mixed materials without thinking about charging. Your mileage will vary with temperature and material viscosity, but the motor doesn’t feel taxed unless I try to run thick polyurethane at the very top of the dial in the cold. Back the dial down one notch and it keeps a steady pace.

The cordless convenience matters. On lifts and scaffolding, not being tethered to a hose or cord is a safety and workflow win. Weight-wise, the bare tool is listed at 4.9 lbs; add a 600 ml sausage and a 5Ah battery and you’re in the seven-pound neighborhood. Balance is good—the center of mass sits close to the grip—so it’s manageable one-handed while steadying yourself with the other.

Ergonomics and visibility

The rubber over-mold and handle shaping make long sessions tolerable. I appreciate the built-in hook for hanging on a ladder or rail between runs; it’s sturdy and placed where it won’t catch. The LED doesn’t turn night into day, but it’s useful in cabinets, mechanical rooms, and under sills where ambient light is poor. It throws light right at the nozzle, which is where you need it.

The overall build skews more composite than metal. That keeps weight down, but some folks will prefer the heavier, all-metal feel of certain competitors. After weeks of use and a couple of inevitable drops, the housing and tray hardware have held up fine. Keep the drive rod clean and lightly lubed and it continues to run quietly.

Bead quality and real-world results

On storefront glazing, I set the dial low and ride the trigger. The start/stop consistency lets me feather beads into corners without overfill. For long expansion joints in drywall, bumping the dial mid-range and keeping a steady pace gives a uniform bead that tools easily. Construction adhesives for blocking and trim benefit from the anti-drip; I’m not chasing ooze after setting pieces.

One small note: if you’re switching from 300 ml to 600 ml sausages frequently in a single day, keep a rag handy. Even with the anti-drip and the retract, you can get a touch of residue on the tray interfaces. The tool-free change makes this quick, but cleanliness pays dividends in longevity.

Maintenance and support

Cleanup is straightforward. The sausage system keeps most mess contained; pull the spent bag, wipe the tray and nozzle, and you’re done. The canister trays are replaceable (300 ml: N414816; 600 ml: N414817), which is good insurance for heavy users. DeWalt backs the tool with a 3-year limited warranty, a year of free service, and a 90-day satisfaction guarantee. In a pro setting, that’s a reasonable safety net.

What could be better

• Tray latch feel: The quick-change mechanism works, but the tactile feedback could be crisper. If the tray isn’t fully engaged, there’s slight barrel play. Once you learn the click you’re listening for, it’s a non-issue, but the first few swaps can be fiddly.
• Top speed ceiling: The 21 in./min top speed is adequate, but not the fastest in class. If your day is mostly high-viscosity adhesives in low temps, you’ll be running close to that ceiling.
• Tool-only approach: Standard for pro tools, but budget accordingly if you’re not already on the 20V platform.

Who it’s for

If you’re a glazier, tile setter, waterproofing contractor, or finish carpenter who lives on the 20V platform, this adhesive gun feels like an obvious addition. The flow control and anti-drip reduce rework, the quick tray swaps support both 300 ml and 600 ml jobs, and the ergonomics make long sessions manageable. Serious DIYers tackling a remodel will benefit too, especially on big runs where manual guns lead to inconsistent beads and sore hands.

If you prioritize a tank-like, all-metal feel above all else, or you need the absolute fastest dispense speed for heavy adhesives in cold climates, you might look at alternatives. But for most pro-grade sealants and adhesives in typical jobsite conditions, this strikes a smart balance.

The bottom line

I recommend the DeWalt adhesive gun. It earns that recommendation on the strength of its smooth, predictable flow control, effective anti-drip, truly useful quick-change canister system, and jobsite-friendly ergonomics. Battery life is solid, the LED and hook are thoughtful touches, and support and parts availability are where they should be for a pro tool. The tray latch has a minor learning curve and the top speed isn’t class-leading, but those trade-offs haven’t impacted the quality of the work. If you’re already invested in 20V batteries—or you want cleaner beads with less hassle—this tool is easy to live with and easy to recommend.