Killer Instinct Rapid 420 Crossbow Review: Should You Buy?

Killer Instinct Rapid 420 Crossbow Review: Should You Buy?

Crossbows have come a long way, and it's always exciting to try out the latest and greatest in the market.

Recently, I had the pleasure of testing out the Killer Instinct Rapid 420, and I must say, it did not disappoint.

In this review, I'll be sharing my personal experience and opinions on this powerful, fast, and highly accurate crossbow.

I'll delve into its features, accessories, and performance, so you can decide if it's the right fit for your hunting and archery adventures.

So, let's get started on this journey and explore the ins and outs of the Killer Instinct Rapid 420!


  • PRICE: $449.99
  • SPEED: 420 FPS
  • TRIGGER: 3.5 LB
  • WIDTH (COCKED): 12.75″ | (UNCOCKED): 16.75″
  • LENGTH: 35.5″ – 38″
  • WEIGHT: 8.2 LB
  • POWER STROKE: 14.5″

Now that we've covered the specs, let's dive into some of the standout features that make the Killer Instinct Rapid 420 a game-changer in the world of crossbows.

Wicked Speed:

The Rapid 420 boasts an impressive 420 feet per second velocity, making it a force to be reckoned with on the hunting ground.

This speed allows you to take down the biggest and strongest game without compromising on accuracy.

Crank Compatible:

The crossbow is compatible with the Compact DSC™ Narrow Sled Crank (not included), which can be quickly attached and removed for easy cocking.

This feature saves you time and energy, making the Rapid 420 an excellent choice for hunters who value convenience.

Custom Fit:

The 6-position adjustable buttstock and adjustable X-Lok foregrip provide a comfortable fit for shooters of all sizes.

This adaptability ensures that you can find the perfect fit for your body type, leading to better accuracy and a more enjoyable shooting experience.

Precision Accuracy:

The precision aluminum barrel on the Rapid 420 produces consistent downrange accuracy, which is crucial for hunting and target shooting.

This level of accuracy is what sets the Rapid 420 apart from many other crossbows on the market.

Included Accessories:

The Killer Instinct Rapid 420 comes with a Lumix 4×32 Scope, Rope Cocker, Quiver, three 20-inch HYPR Lite Bolts (370 Grains) with Field Tips, and Rail Lube. These accessories enhance your shooting experience and ensure that you have everything you need to get started right out of the box.

Limited Lifetime Warranty:

The Rapid 420 also includes a limited lifetime warranty to cover standard, non-wearable parts for the life of the crossbow for the original registered owner. This warranty provides peace of mind and protection for your investment.

My Personal Experience

I recently had the chance to take the Killer Instinct Rapid 420 out for a weekend hunting trip, and I must say, it was quite an experience.

I've used several crossbows in the past, but the Rapid 420 was a different beast altogether. Here's a detailed account of my experience with the crossbow.

The first thing I noticed when unboxing the crossbow was its sturdy build and quality craftsmanship.

The adjustable buttstock and X-Lok foregrip provided a comfortable and secure grip, which made handling the crossbow a breeze.

After making a few minor adjustments, I was able to find the perfect fit for my body type, and I was ready for action.

During the trip, I was hunting for whitetail deer, which are known for their speed and agility.

The Rapid 420's wicked speed and precision accuracy came in handy when I spotted a buck about 60 yards away.

I took aim, and with the help of the Lumix 4×32 scope, I was able to see the buck clearly.

I pulled the trigger, and the trigger pull felt smooth and responsive.

The bolt flew through the air at an incredible speed, and within a blink of an eye, it found its mark.

The power of the Rapid 420 was evident as the bolt penetrated the deer with ease.

The buck didn't stand a chance and dropped almost immediately.

I was astounded by the crossbow's accuracy and power.

The 420 feet per second velocity made a significant difference in the time it took for the bolt to reach the target, minimizing the chances of the deer noticing and evading the shot.

Throughout the weekend, I continued to be impressed by the Rapid 420's performance.

Its draw weight of 210 pounds was more than manageable, especially with the rope cocker that came with the package.

The Compact DSC Narrow Sled Crank, which I purchased separately, made cocking the crossbow even easier.

Loading and unloading the bolts from the quiver was a straightforward process, and I appreciated the convenience of having three HYPR Lite Bolts included in the package.

The rail lube helped maintain the crossbow's performance and ensured smooth bolt travel down the rail.

Overall, my hunting trip with the Killer Instinct Rapid 420 was a resounding success.

Price and Value for Money

With a price tag of $449.99, the Killer Instinct Rapid 420 offers exceptional value for money.

The crossbow's high-performance features, such as the wicked speed of 420 feet per second, precision accuracy, customizable fit, and compatibility with a crank system, make it a reliable choice for both beginners and experienced hunters.

The included accessories, such as the Lumix 4×32 scope, rope cocker, quiver, and three HYPR Lite Bolts with field tips, add to the overall value of the package.

These items ensure that the Rapid 420 is ready for action straight out of the box, saving you the time and effort of purchasing additional components separately.

Moreover, the limited lifetime warranty provided by Killer Instinct gives you peace of mind and confidence in your investment.

The warranty covers standard, non-wearable parts for the life of the crossbow for the original registered owner.

Considering the performance, build quality, and included accessories, the Killer Instinct Rapid 420 is an excellent value at $449.99.

It's a great choice for anyone seeking a high-performance crossbow that can handle the challenges of hunting and target shooting alike.

The Drawbacks

Although the Killer Instinct Rapid 420 is an excellent crossbow with many impressive features, it does come with a few minor drawbacks that are worth mentioning.

First, the crossbow's weight of 8.2 pounds might be a bit heavy for some users, especially during long hunting sessions.

I remember during my weekend hunting trip, after trekking for several hours through the woods, I started to feel the weight of the crossbow on my shoulders.

It wasn't a deal-breaker, but it did remind me to take breaks and pace myself.

Another minor issue I encountered was that the Compact DSC™ Narrow Sled Crank, which makes cocking the crossbow much easier, is not included in the package.

While the rope cocker that comes with the crossbow does help with the 210-pound draw weight, having the crank system included would have been more convenient and appreciated.

Lastly, the adjustment knobs on the Lumix 4×32 scope could be a bit more user-friendly. During my hunting trip, I found that making adjustments to the scope took some getting used to, and I had to fiddle with the knobs a bit before getting the hang of it.

However, once I became familiar with the scope, it provided me with excellent visibility and accuracy.

These drawbacks are relatively minor and should not discourage potential buyers, as the overall performance and value of the Killer Instinct Rapid 420 far outweigh these minor inconveniences.

Should You Buy? Concluding the Review

In conclusion, the Killer Instinct Rapid 420 is an outstanding crossbow that offers a powerful combination of speed, accuracy, and customization.

With its impressive performance and included accessories, it's an excellent choice for both novice and experienced hunters, as well as target shooters.

Despite a few minor drawbacks, such as the weight and the exclusion of the crank from the package, the overall value and performance of the Rapid 420 far outweigh these inconveniences.

At a price of $449.99, you're getting a high-quality crossbow that is ready for action right out of the box, backed by a limited lifetime warranty from Killer Instinct.

If you're in the market for a new crossbow that can handle the demands of hunting or target shooting, the Killer Instinct Rapid 420 is a strong contender that's well worth considering.

Based on my personal experience with this crossbow, I can confidently recommend the Rapid 420 as a reliable and powerful option that is sure to enhance your hunting and archery adventures.

Click here to learn more about Killer Instinct Rapid 420 and get the best price on Amazon.