Need assistance? Call the experts: (727) 223-1816

  • KEL TEC KSG Bayonet Spikes M*CARBO
  • Steel Bayonet Spikes Attachment for KSG Shotgun
  • KEL TEC KSG with Bayonet Spikes and Breacher Barrel Nut Installed
  • Close-up of 4140 Steel Bayonet Spikes for KEL TEC KSG
  • 3D Render of Bayonet Spikes and Breacher Barrel Nut Installed on KSG
  • Black Oxide Coated Steel Bayonet Spikes M*CARBO
product-image

KEL-TEC KSG Bayonet Spikes

review-star review-star review-star review-star review-star
(4.92) 53 reviews
Price: $29.95
in-stock-product Availability: IN STOCK

Retail: Retail: $39.95

You Save: $10.00 (25.0%)



Update price
pledge
Product Information

About This Item

Not compatible with the KEL-TEC KSG .410 model.

WHAT'S INCLUDED:

  • 2 — 4140 pre-hardened steel KSG bayonet spikes
Description

KEL-TEC KSG Bayonet Spikes

Replaces factory mag plugs with a sharp secondary fighting tool.

KEL-TEC KSG Bayonet Spikes upgrade your KSG for close-quarters utility. Replace the factory ammo tube caps with these spikes to add an additional level of protection or an escalation option if necessary.

Not compatible with the KEL-TEC KSG .410 model.

*Also works for the DP-12!*

Made from 4140 pre-hardened steel with a black oxide finish, these bayonet spikes are rugged and built to perform. They can pierce wood, glass, and metal and stand up to repeated use.

If you find yourself without usable ammo or with a malfunction, the KSG Bayonet Spikes let you continue defending yourself with decisive results. They also provide another tool for non-lethal crowd control options for trained law enforcement personnel.

Will allow you to make a very convincing muzzle punch if needed.

Replace factory mag plugs that offer no functionality with Bayonet Spikes so your firearm can serve as a spear-style backup when you have no time to reload.

Custom KSG parts and mods by M*CARBO modernize your platform — American-made KSG accessories that provide a unique look and functional upgrade over factory plugs.

Designed with hex flats for use with a crescent or open-end wrench. Sold as a set of two.

WARNING: The Bayonet Spikes are extremely sharp and can cause serious injury if not handled correctly. Only responsible adults (18+) should handle this product.

KEL-TEC KSG Resources:

If you're installing KSG Bayonet Spikes you may find these resources useful: download the KSG Owner's Manual or view the exploded parts diagram to plan your project.

M*CARBO No Hassle 100% Lifetime Guarantee:

The KEL-TEC KSG Bayonet Spikes is protected by the M*CARBO No Hassle 100% Lifetime Guarantee.

Tested and Approved:

The KEL-TEC KSG Bayonet Spikes has been tested repeatedly to ensure reliable operation and safety.

Veteran Owned and Operated Business:

American made KEL-TEC KSG Bayonet Spikes is designed and manufactured by Combat Veterans. We will donate a portion of your purchase to the Military Foundations we humbly support.

ATTENTION:

You must be 18 yrs of age to purchase. We advise that all parts purchased from our inventory be installed and inspected by a qualified gunsmith. Modifying your weapon may be prohibited in your state. Do not modify your sear or hammer engagement surfaces, with or without the KEL-TEC KSG Bayonet Spikes. Before installing please be sure to check all local state and federal laws. By installing this part you agree to take full responsibility for any and all legal, health and warranty consequences that may be incurred.

Reviews
Awesome Accessory
review-star review-star review-star review-star review-star
I purchased these spikes for my new KSG 410ga shotgun. Great quality & they are sharp!!
Unfortunately these didn't fit the 410ga & the website didn't state otherwise. I paid for the return shipping, but didn't have to pay for the restocking fee.
Just wish it was stated before hand.
Very cool
review-star review-star review-star review-star review-star
These things just look so cool on the KSG. Are they practical? Maybe, maybe not. But I will say that these make an already mean looking firearm look even meaner. HUZZAH to mcarbo!!!!
review image  
Nice Addition to the KSG
review-star review-star review-star review-star review-star
Great Product with very fast shipping. Adds function, and style to the KSG. It was very easy to add them to the firearm.
review-star review-star review-star review-star review-star
Great quality! Makes my KSG look sick!
review image  
Bad ass addiction to my rig!
review-star review-star review-star review-star review-star
Being a retired fighter jet mechanic and firearms enthusiast, I'm always finding ways to tinker and modify my firearms. I found MCARBO searching the web for KSG upgrades and I was hooked. The bayonet spikes were extremely simple to install and look mean! The material is extremely well crafted and finished flawlessly. HIGHLY RECOMMEND THESE!
review image  
KEL TEC KSG Bayonet Spikes M*CARBO KEL-TEC KSG Bayonet Spikes
review-star review-star review-star review-star review-star
Good fit and functionality. Not too heavy and keeps the gun short!
Great product
review-star review-star review-star review-star review-star
They arrived super quick the only thing is I haven't installed them because I didn't realize the tools I need that would be beneficial to installing them. I will buy piece by piece till I can install them.
Great Product!
review-star review-star review-star review-star review-star
Product is as described and makes my KSG look mean. I definitely recommend the product.
Questions & Answers
0 0
Question:
Besides the spikes what else do I need to properly install this product? The video is super confusing and goes into other stuff that I’m not sure I need to do to install these spikes.
25B31B March 16, 2025 8:50 PM
Answers
M*CARBO Buttstock Spikes Kit and Phillips or Torx screwdriver (depending on your stock hardware)
Answered by
Mona M*CARBO / May 1, 2025 1:35 PM
0 0
Question:
explain the purpose of the jam nut ??
AllenRN1W534X November 18, 2024 2:33 PM
Answers
Please contact our Customer Service at help@mcarbo.com to discuss this.
Answered by
Mona M*CARBO / May 1, 2025 2:16 PM
0 0
Question:
Will these work on the . 410 model?
David Tuckey August 16, 2024 1:28 PM
Answers
No – the KSG Bayonet Spikes are not compatible with the KSG .410. - the KSG .410 has a smaller barrel and different barrel lug spacing
Answered by
Mona M*CARBO / May 1, 2025 1:48 PM
0 0
Question:
Will these fit a Smith & Wesson M&P 12 ?
June 11, 2024 3:48 AM
Answers
No – the KEL-TEC KSG Bayonet Spikes are not compatible with the Smith & Wesson M&P 12. - The spike kit is specifically designed to mount to the KSG’s front sling loop bolt pattern and muzzle cap interface.
Answered by
FOXX / May 1, 2025 2:10 PM
0 0
Question:
Since there was no answer from Dec 2023, I'll ask again. Will these fit the ksg410?
Joshua Rafael February 29, 2024 6:20 PM
Answers
They do not fit the ksg410. This was the reply I got from the MCARBO staff
Answered by
/ May 27, 2024 10:58 AM
0 0
Question:
Will something like this be available for the KS7? Maybe modified magazine cover. ;)
JNS KS7 Groupie January 28, 2024 11:05 AM
Answers
We do not currently have anything in the pipeline for this, but are actively researching options
Answered by
Mona M*CARBO / May 1, 2025 2:34 PM
0 0
Question:
Repeating Nicks question, do these screw directly into the KSG410 as well?
Joseph Buckley January 23, 2024 9:55 PM
Answers
No – the KSG Bayonet Spikes are not compatible with the KSG .410. - the KSG .410 has a smaller barrel and different barrel lug spacing
Answered by
Mona M*CARBO / May 1, 2025 2:12 PM
0 0
Question:
Is anything else required to install these on the DP12?
LAintheSFV December 19, 2023 12:48 PM
Answers
But in the description, it says they fit the Dp-12.
Answered by
joseph mendez / September 7, 2025 9:48 AM
the KEL-TEC KSG Bayonet Spikes will not directly fit the DP-12. - The DP-12 uses a different barrel nut and magazine tube layout, with non-threaded end caps that are not cross-compatible with KSG hardware.
Answered by
Mona M*CARBO / May 1, 2025 2:38 PM
0 0
Question:
Will this item fit on the new KSG 410?
Nick Mahan December 4, 2023 11:04 PM
Answers
No – the KSG Bayonet Spikes are not compatible with the KSG .410. - the KSG .410 has a smaller barrel and different barrel lug spacing
Answered by
Mona M*CARBO / May 1, 2025 2:17 PM
0 0
Question:
Is the breacher barrel not available? I can’t find it to add to my cart
Hoa H November 13, 2023 12:08 PM
0 0
Question:
What is the effective length of these spikes when installed? I'm considering the Hi-tech short "Crusher" muzzle, which is 0.9" from the end of the thread, and I'm trying to figure out if that muzzle will be short enough.
Obis Cygma August 27, 2023 4:52 PM
0 0
Question:
Will this fit my smith and Wesson m&p12 ?
jacob fisher August 22, 2023 10:19 PM
0 0
Question:
can you just screw in the spikes and not do the whole other process on the video?
lmart1687 February 19, 2023 12:00 AM
0 0
Question:
For the installation of the ksg bayonet spikes, is there anything additional that I need to purchase to install them or do they just screw in?
Always a Marine August 10, 2022 7:45 AM
Answers
We recomend doing it it as the video show
Answered by
M*CARBO-Tech / February 20, 2023 1:12 PM
0 0
Question:
How come they don’t make the exstensions for the spikes anymore? Every ware I looke they where out of stock or discontinued I asked customer device at several different companies and they where very unhappy two they said people were always looking for them and it was a good selling product to go along with the spikes to get beyond the surpressor or muzzle device now we have nothing it really is a great loss!
April 7, 2022 9:31 AM
Answers
We are sorry for the inconvenience, but the extensions were discontinued a while back due to very low sales combined with the cost to maintain inventory.
Answered by
Abby Marino / April 18, 2022 7:52 AM
0 0
Question:
Will this work on the ks7 with the keltec barrel extension?
AF May 10, 2021 5:25 PM
Answers
KSG Bayonet Spikes only function on the KSG firearm.
Answered by
Jamie@MCARBO.com / May 20, 2021 10:19 AM
0 0
Question:
Does MCARBO still make the extensions for the bayonet spikes?
Gomezjf March 1, 2021 10:09 AM
Answers
What can I do to get two of them? Thank you.
Answered by
Vitale Y. / November 9, 2021 12:57 PM
No Sir, unfortunately we discontinued the extensions due to low overall demand. Not something we expect to make in the future.
Answered by
Chris Nelson - M*CARBO President / April 13, 2021 12:40 PM

About This Item

Not compatible with the KEL-TEC KSG .410 model.

WHAT'S INCLUDED:

  • 2 — 4140 pre-hardened steel KSG bayonet spikes

KEL-TEC KSG Bayonet Spikes

Replaces factory mag plugs with a sharp secondary fighting tool.

KEL-TEC KSG Bayonet Spikes upgrade your KSG for close-quarters utility. Replace the factory ammo tube caps with these spikes to add an additional level of protection or an escalation option if necessary.

Not compatible with the KEL-TEC KSG .410 model.

*Also works for the DP-12!*

Made from 4140 pre-hardened steel with a black oxide finish, these bayonet spikes are rugged and built to perform. They can pierce wood, glass, and metal and stand up to repeated use.

If you find yourself without usable ammo or with a malfunction, the KSG Bayonet Spikes let you continue defending yourself with decisive results. They also provide another tool for non-lethal crowd control options for trained law enforcement personnel.

Will allow you to make a very convincing muzzle punch if needed.

Replace factory mag plugs that offer no functionality with Bayonet Spikes so your firearm can serve as a spear-style backup when you have no time to reload.

Custom KSG parts and mods by M*CARBO modernize your platform — American-made KSG accessories that provide a unique look and functional upgrade over factory plugs.

Designed with hex flats for use with a crescent or open-end wrench. Sold as a set of two.

WARNING: The Bayonet Spikes are extremely sharp and can cause serious injury if not handled correctly. Only responsible adults (18+) should handle this product.

KEL-TEC KSG Resources:

If you're installing KSG Bayonet Spikes you may find these resources useful: download the KSG Owner's Manual or view the exploded parts diagram to plan your project.

M*CARBO No Hassle 100% Lifetime Guarantee:

The KEL-TEC KSG Bayonet Spikes is protected by the M*CARBO No Hassle 100% Lifetime Guarantee.

Tested and Approved:

The KEL-TEC KSG Bayonet Spikes has been tested repeatedly to ensure reliable operation and safety.

Veteran Owned and Operated Business:

American made KEL-TEC KSG Bayonet Spikes is designed and manufactured by Combat Veterans. We will donate a portion of your purchase to the Military Foundations we humbly support.

ATTENTION:

You must be 18 yrs of age to purchase. We advise that all parts purchased from our inventory be installed and inspected by a qualified gunsmith. Modifying your weapon may be prohibited in your state. Do not modify your sear or hammer engagement surfaces, with or without the KEL-TEC KSG Bayonet Spikes. Before installing please be sure to check all local state and federal laws. By installing this part you agree to take full responsibility for any and all legal, health and warranty consequences that may be incurred.

Product Reviews (53)
review-star review-star review-star review-star review-star
4.92
Awesome Accessory
review-star review-star review-star review-star review-star
I purchased these spikes for my new KSG 410ga shotgun. Great quality & they are sharp!!
Unfortunately these didn't fit the 410ga & the website didn't state otherwise. I paid for the return shipping, but didn't have to pay for the restocking fee.
Just wish it was stated before hand.
Very cool
review-star review-star review-star review-star review-star
These things just look so cool on the KSG. Are they practical? Maybe, maybe not. But I will say that these make an already mean looking firearm look even meaner. HUZZAH to mcarbo!!!!
review image  
Nice Addition to the KSG
review-star review-star review-star review-star review-star
Great Product with very fast shipping. Adds function, and style to the KSG. It was very easy to add them to the firearm.
review-star review-star review-star review-star review-star
Great quality! Makes my KSG look sick!
review image  
Bad ass addiction to my rig!
review-star review-star review-star review-star review-star
Being a retired fighter jet mechanic and firearms enthusiast, I'm always finding ways to tinker and modify my firearms. I found MCARBO searching the web for KSG upgrades and I was hooked. The bayonet spikes were extremely simple to install and look mean! The material is extremely well crafted and finished flawlessly. HIGHLY RECOMMEND THESE!
review image  
KEL TEC KSG Bayonet Spikes M*CARBO KEL-TEC KSG Bayonet Spikes
review-star review-star review-star review-star review-star
Good fit and functionality. Not too heavy and keeps the gun short!
Great product
review-star review-star review-star review-star review-star
They arrived super quick the only thing is I haven't installed them because I didn't realize the tools I need that would be beneficial to installing them. I will buy piece by piece till I can install them.
Great Product!
review-star review-star review-star review-star review-star
Product is as described and makes my KSG look mean. I definitely recommend the product.

Questions & Answers

17 Questions

0 0
Question:
Besides the spikes what else do I need to properly install this product? The video is super confusing and goes into other stuff that I’m not sure I need to do to install these spikes.
25B31B March 16, 2025 8:50 PM
Answers
0 0
M*CARBO Buttstock Spikes Kit and Phillips or Torx screwdriver (depending on your stock hardware)
Answered by
Mona M*CARBO / May 1, 2025 1:35 PM
0 0
Question:
explain the purpose of the jam nut ??
AllenRN1W534X November 18, 2024 2:33 PM
Answers
0 0
Please contact our Customer Service at help@mcarbo.com to discuss this.
Answered by
Mona M*CARBO / May 1, 2025 2:16 PM
0 0
Question:
Will these work on the . 410 model?
David Tuckey August 16, 2024 1:28 PM
Answers
0 0
No – the KSG Bayonet Spikes are not compatible with the KSG .410. - the KSG .410 has a smaller barrel and different barrel lug spacing
Answered by
Mona M*CARBO / May 1, 2025 1:48 PM
0 0
Question:
Will these fit a Smith & Wesson M&P 12 ?
June 11, 2024 3:48 AM
Answers
0 0
No – the KEL-TEC KSG Bayonet Spikes are not compatible with the Smith & Wesson M&P 12. - The spike kit is specifically designed to mount to the KSG’s front sling loop bolt pattern and muzzle cap interface.
Answered by
FOXX / May 1, 2025 2:10 PM
0 0
Question:
Since there was no answer from Dec 2023, I'll ask again. Will these fit the ksg410?
Joshua Rafael February 29, 2024 6:20 PM
Answers
0 0
They do not fit the ksg410. This was the reply I got from the MCARBO staff
Answered by
/ May 27, 2024 10:58 AM
0 0
Question:
Will something like this be available for the KS7? Maybe modified magazine cover. ;)
JNS KS7 Groupie January 28, 2024 11:05 AM
Answers
0 0
We do not currently have anything in the pipeline for this, but are actively researching options
Answered by
Mona M*CARBO / May 1, 2025 2:34 PM
0 0
Question:
Repeating Nicks question, do these screw directly into the KSG410 as well?
Joseph Buckley January 23, 2024 9:55 PM
Answers
0 0
No – the KSG Bayonet Spikes are not compatible with the KSG .410. - the KSG .410 has a smaller barrel and different barrel lug spacing
Answered by
Mona M*CARBO / May 1, 2025 2:12 PM
0 0
Question:
Is anything else required to install these on the DP12?
LAintheSFV December 19, 2023 12:48 PM
Answers
0 0
But in the description, it says they fit the Dp-12.
Answered by
joseph mendez / September 7, 2025 9:48 AM
0 0
the KEL-TEC KSG Bayonet Spikes will not directly fit the DP-12. - The DP-12 uses a different barrel nut and magazine tube layout, with non-threaded end caps that are not cross-compatible with KSG hardware.
Answered by
Mona M*CARBO / May 1, 2025 2:38 PM
0 0
Question:
Will this item fit on the new KSG 410?
Nick Mahan December 4, 2023 11:04 PM
Answers
0 0
No – the KSG Bayonet Spikes are not compatible with the KSG .410. - the KSG .410 has a smaller barrel and different barrel lug spacing
Answered by
Mona M*CARBO / May 1, 2025 2:17 PM
0 0
Question:
Is the breacher barrel not available? I can’t find it to add to my cart
Hoa H November 13, 2023 12:08 PM
0 0
Question:
What is the effective length of these spikes when installed? I'm considering the Hi-tech short "Crusher" muzzle, which is 0.9" from the end of the thread, and I'm trying to figure out if that muzzle will be short enough.
Obis Cygma August 27, 2023 4:52 PM
0 0
Question:
Will this fit my smith and Wesson m&p12 ?
jacob fisher August 22, 2023 10:19 PM
0 0
Question:
can you just screw in the spikes and not do the whole other process on the video?
lmart1687 February 19, 2023 12:00 AM
0 0
Question:
For the installation of the ksg bayonet spikes, is there anything additional that I need to purchase to install them or do they just screw in?
Always a Marine August 10, 2022 7:45 AM
Answers
0 0
We recomend doing it it as the video show
Answered by
M*CARBO-Tech / February 20, 2023 1:12 PM
0 0
Question:
How come they don’t make the exstensions for the spikes anymore? Every ware I looke they where out of stock or discontinued I asked customer device at several different companies and they where very unhappy two they said people were always looking for them and it was a good selling product to go along with the spikes to get beyond the surpressor or muzzle device now we have nothing it really is a great loss!
April 7, 2022 9:31 AM
Answers
0 0
We are sorry for the inconvenience, but the extensions were discontinued a while back due to very low sales combined with the cost to maintain inventory.
Answered by
Abby Marino / April 18, 2022 7:52 AM
0 0
Question:
Will this work on the ks7 with the keltec barrel extension?
AF May 10, 2021 5:25 PM
Answers
0 0
KSG Bayonet Spikes only function on the KSG firearm.
Answered by
Jamie@MCARBO.com / May 20, 2021 10:19 AM
0 0
Question:
Does MCARBO still make the extensions for the bayonet spikes?
Gomezjf March 1, 2021 10:09 AM
Answers
0 0
What can I do to get two of them? Thank you.
Answered by
Vitale Y. / November 9, 2021 12:57 PM
0 0
No Sir, unfortunately we discontinued the extensions due to low overall demand. Not something we expect to make in the future.
Answered by
Chris Nelson - M*CARBO President / April 13, 2021 12:40 PM

Recently Viewed Items:

KEL TEC KSG Bayonet Spikes M*CARBO

KEL-TEC KSG Bayonet Spikes

Price: $29.95-$52.90