Killer Instinct makes three crossbows in our beginner ranking, and the Lethal 405HD (8.3) is the one to buy first - it is the quietest and best-balanced of the three for the money. Pick the Burner 415 if you want the fastest at 415 fps, or the BOSS 405 as the safe in-stock fallback.
All three ship as complete, hunt-ready packages - scope, rope cocker, crank and arrows in the box - which is the main reason Killer Instinct keeps coming up when first-time owners compare brands. They cluster tightly in score, all within half a point of each other, so the right choice comes down to whether you value balance, speed or availability.
Is Killer Instinct a good crossbow brand?
Killer Instinct is a US brand founded in 2013 and headquartered in Michigan, under the same ownership as the Hawk treestand line; the crossbows themselves are built in Taiwan. The design signature across the range is the enclosed Accutac barrel and X-Cam system, meant to keep the bolt consistent on the rail for tighter groups. For beginners the practical draw is the packaging rather than any single headline spec - every bow arrives ready to sight in and shoot.
On support, Killer Instinct carries a limited lifetime warranty on the bow itself, but you have to register as the original owner within 60 days of purchase and get a free inspection by an authorized dealer every three years to keep it active. Wearable parts - strings, cables and bolts - are not covered, and the scope and limb dampeners carry only a one-year warranty. That is standard for the price class, not a standout, so we treat it as table stakes rather than a reason to buy.
| # | Model | Advertised speed | Score | Best for | Full review |
|---|---|---|---|---|---|
| 1 | Killer Instinct Lethal 405HD | 405 fps | 8.3 | Value hunting | Read review |
| 2 | Killer Instinct Burner 415 | 415 fps | 8.0 | Speed on a budget | Read review |
| 3 | Killer Instinct BOSS 405 | 405 fps | 7.9 | A safe default | Read review |
Which Killer Instinct crossbow should you buy?
Lethal 405HD (8.3) - the value pick
The Lethal 405HD is the highest-scored Killer Instinct in our ranking and the one we point most beginners to. Its strongest marks are for what you get in the box and for safety, and owners consistently note it runs quiet for its price bracket with good balance in the hand. The one caveat from reviews is that the bundled scope wants re-sighting before you trust it past thirty yards, and the trigger is stiff until it breaks in - neither is a dealbreaker, but budget an afternoon at the range. Full breakdown in the Lethal 405HD review.
Burner 415 (8.0) - speed on a budget
The Burner 415 is the fastest bow in our entire ranking at 415 fps, and it gets there for less money than most bows in that speed class. The trade-off is the one you would expect from pushing a compact bow this hard: it is louder than the class and has noticeable hand shock. If a flat 415 fps trajectory is your priority and you shoot past 35-40 yards, it earns its place - otherwise the quieter Lethal is the easier bow to live with. See the Burner 415 review, and our fastest crossbows guide for where 415 fps actually matters.
BOSS 405 (7.9) - the safe default
The BOSS 405 is the all-rounder of the three: a 405 fps package that does nothing badly and nothing outstandingly. It has no standout strength and thinner accessory support than the other two, which is why it sits last of the three on score - but when the Lethal and the Burner are out of stock, it is the Killer Instinct we would still buy without hesitation. Details in the BOSS 405 review.
Models Killer Instinct sells that are not in our ranking
Killer Instinct's full catalog is wider than the three bows we score here - the brand runs a deep lineup that turns over most seasons, and searchers often land on models we have not evaluated. The most common is the Fuel 415 RDC, a 415 fps package rated at 141 ft-lbs with a 220-pound draw that adds an RDC crank for near-silent cocking and ships with a Lumix 4x32 illuminated scope. It is a capable bow, but we have not run it through the same five criteria as the three above, so we do not give it a score - a listing spec sheet is not the same as a place in the ranking. The same applies to the rest of the catalog: if a model is not in the table above, we have not scored it and will not imply we have.
Bolts, broadheads and scope setup for a Killer Instinct
All three Killer Instinct bows here shoot a standard 20-inch, 400-grain-class carbon bolt, so third-party arrows are interchangeable - our best crossbow bolts guide covers length, spine and weight matching. On the 405-415 fps bows, broadhead choice matters more than usual, because a basic mechanical can fail under that energy; the best crossbow broadheads guide explains the fixed-versus-mechanical call. And since the bundled scope on the Lethal in particular benefits from re-zeroing, walk through our how to sight in a crossbow scope steps before your first hunt.
How we score the crossbows on this page
We do not buy or fire these crossbows. Our scores and the verdicts above are an editorial read of each bow's published specifications, the manufacturer's own documentation, the contents of each package, current price tier and the pattern of owner reviews across retailers - weighted on the same five criteria we apply to every bow in our main ranking. Where a figure comes from the maker, such as advertised speed, we say so rather than present it as a measurement of our own. If you are cross-shopping outside the brand, our best crossbow under $500 and best crossbow for deer hunting guides sort the same field by budget and by hunting fit.