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Kel-Tec Sub2000 Gen3 5.7x28mm 16.1" Semi Auto Rifle - 20+1 Rounds | 16.1" Barrel | Synthetic


Kel-Tec Sub2000 Gen3 5.7x28mm 16.1 Semi Auto Rifle
Kel-Tec Sub2000 Gen3 5.7x28mm 16.1 Semi Auto Rifle Kel-Tec Sub2000 Gen3 5.7x28mm 16.1 Semi Auto Rifle (Image 2) Kel-Tec Sub2000 Gen3 5.7x28mm 16.1 Semi Auto Rifle (Image 3)
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The KelTec SUB2000 GEN3 is now even more versatile with its new 5.7x28mm chambering. This lightweight, foldable rifle delivers precision and ease of use, making it perfect for both self-defense and range shooting. Its compact design, combined with a 20-round magazine, ensures you’re always ready for action.

The KelTec SUB2000 chambered in 5.7x28mm offers a flat trajectory and low recoil, making it an ideal choice for accurate and controlled shooting. Its simple and reliable blowback design ensures ease of maintenance and consistent performance. The firearm features a 20-round magazine, a foldable design for compact storage, and a lightweight polymer frame. Integrated M-LOK and Picatinny rails provide full customization options to suit your needs.

20rd FN Pro Mag


$499.99
Our Price
$411.49
You Save: $88.50
Financing Available: as low as $92.38 / month
MFG: Kel-Tec Cnc Industries Inc.
Model: KELSUB2K57BLK
Bud's Item Number: 170343
UPC: 640832009873
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In-Store Purchase Only
Lexington, KY Not in store
Greenville, KY Not in store
Sevierville, TN In store
9 Reviews

Kel-Tec Sub2000 Gen3 5.7x28mm 16.1" Semi Auto Rifle

The KelTec SUB2000 GEN3 is now even more versatile with its new 5.7x28mm chambering. This lightweight, foldable rifle delivers precision and ease of use, making it perfect for both self-defense and range shooting. Its compact design, combined with a 20-round magazine, ensures you’re always ready for action.

The KelTec SUB2000 chambered in 5.7x28mm offers a flat trajectory and low recoil, making it an ideal choice for accurate and controlled shooting. Its simple and reliable blowback design ensures ease of maintenance and consistent performance. The firearm features a 20-round magazine, a foldable design for compact storage, and a lightweight polymer frame. Integrated M-LOK and Picatinny rails provide full customization options to suit your needs.

20rd FN Pro Mag

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Items Like The Kel-Tec Sub2000 Gen3 5.7x28mm 16.1" Semi Auto Rifle

9 Reviews. 5 out of 5 Stars!
5 Stars
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Lance S on 04/17/2026
Rating:   5 of 5 Stars!

I love this gun. It's the perfect caliber and holds 20 rounds. I have had no issues whatsoever and it is a joy to shoot.

Billy H on 12/26/2025
Rating:   5 of 5 Stars!

I am very satisfied with this purchase as this was my first kel tec and after 250 rounds I have had no malfunctions,I mounted a Sig Sauer msr gen 2 and am honestly glad I made this purchase as it's accurate and dependable.

Jesse C on 12/07/2025
Rating:   5 of 5 Stars!

Jesse C uploaded review photo 0
Absolutely love this lil guy. It is super accurate and can't wait to get my dead air mask can on it. Got it as my wife's bedside carbine. Low recoil user friendly lightweight etc etc. Absolutely recommend. Love Buds Gun Shop. They truly are a TOP notch company and they have always taken care of me.

Joseff J on 12/04/2025
Rating:   5 of 5 Stars!

I'm extremely happy with this purchase. It checks all the boxes for me. Compact, easy to handle, lightweight, easy shoot/ breakdown

Leslie C on 10/08/2025
Rating:   5 of 5 Stars!

Lightweight, fun, inexpensive ! So far this rifle has been great for me accurate enough for what it is and like I said fun!

Danny P on 08/31/2025
Rating:   5 of 5 Stars!

Truly, a great gun top to bottom

Bruce L on 07/23/2025
Rating:   5 of 5 Stars!

I've been 5.7 curious but shied away because 5.7x28 is difficult to reload, so this is my first 5.7 firearm, but my sixth SUB-2000. I love these things. 5.7 out of a SUB-2000 is a very interesting experience. It definitely feels different than 9 mm or 40 S&W, and the terminal ballistic performance is impressive. I haven't shot the 5.7 SUB-2000 much. The ammo is pricey! So far, the accuracy is good (I'm definitely the limiting factor) and reliability has been 100%. I bought all of the reloading supplies and equipment so I should be shooting it much more and look forward to shooting it at 100 yards off a bench rest. Before that happens Kel-Tec will probably release the 10 mm SUB-2000 that I've begged and nagged them to make for 20 years and that'll be my new baby getting all of the attention. I'm cuckoo for Kel-Tec.

Dwayne B on 05/20/2025
Rating:   5 of 5 Stars!

Dwayne B uploaded review photo 0
Five Stars – Exceeded All Expectations! I recently purchased the Kel-Tec Sub2000 Gen3 5.7x28mm 16.1" Semi Auto Rifle from Buds Gun Shop, and I couldn't be more impressed. This rifle exceeded all my expectations right out of the box. The build quality is outstanding, the 16.1" barrel delivers excellent accuracy, and the lightweight synthetic frame makes handling incredibly comfortable. Shooting the 5.7x28mm round through this platform is a dream—low recoil, smooth cycling, and reliable performance every time. The 20+1 round capacity is just the cherry on top, giving you plenty of firepower in a compact, foldable design. As for Buds Gun Shop, their customer service was top-notch. The purchase process was smooth, shipping was fast, and communication was clear throughout. They truly made the entire buying experience hassle-free. Highly recommended to anyone looking for a unique, high-performance rifle with unbeatable versatility. Hats off to Kel-Tec and Buds for delivering excellence!

David J on 04/20/2025
Rating:   5 of 5 Stars!

Great gun for the price the fold and twist is an awesome feature

Questions & Answers

Ask the Community

  • Q: Is there a 30 or 40 round magazine available for this weapon?

    • Answered
    • Asked 07/13/2025 01:39 by Bruce J
    A:
    Hi Bruce and welcome. Yes, the SUB2000 5.7 is compatible with 20 and 30-round FN Five-seveN pattern magazines. 55rd Drum also compatible: budsgunshop.com/product_info.php/products_id/713095908/pro+mag+magazine+fnh+five+of -------------------------------------------------------- https://www.budsgunshop.com/product_info.php/products_id/77665/promag+fnh-a2+fn+fiveseven+usg+magazine+30rd+5.7x28mm+black+polymer ------------- Cheers, stay safe and enjoy!
    See 1 more answer |

  • Q: Is this legal in MD

    • Answered
    • Asked 06/05/2025 09:53 by Jordan H
    A:
    Good evening to you!! The Kel-tec Sub 2000 is not banned in Maryland.
    Kel-Tec Kel-Tec sub 2000 Not Banned Not Regulated by Statute 10/1/2013
    Not cosmetically similar to an enumerated firearm & not a copycat weapon.
    Bud's will ship without 20rd magazines
    Have a good rest of your day.
    See 2 more answers |

  • Q: Is this legal in MD

    • Answered
    • Asked 06/05/2025 09:52 by Jordan H
    A:
    Hi Jordan and welcome. Yes, Buds would ship without the non-compliant 20rd magazine. You would need to acquire 10rd magazines separately. Cheers, stay safe and enjoy!
    See 1 more answer |

  • Q: Does anyone have opinions on this model vs the 9mm model?

    • Answered
    • Asked 12/12/2024 20:26 by Joey J
    A:
    Hi Joey, 5.7x28mm is way more expensive than 9mm, so if you plan on doing a lot of shooting, 9mm is the way to go.
    Stay safe & have a great day!
    See 1 more answer |

  • Q: Does this rifle have a threaded barrel?
    If so what size muzzle break or suppressor?

    • Answered
    • Asked 12/12/2024 19:37 by Joey J
    A:
    Hi Joey and welcome. This model has a 16.1" barrel featuring a 1:7" twist rate and Thread Pattern of 1/2"x28 tpi. Cheers, stay safe and enjoy!
    See 1 more answer |

  • Q: what brand magazines can this use?

    • Answered
    • Asked 11/19/2024 17:20 by don h
    A:
    Hi Don, this uses common 20 and 30-round FN Five-seveN pattern magazines. It can also accept 55-round drums.
    30rd https://www.budsgunshop.com/product_info.php/products_id/77665/promag+fnh-a2+fn+fiveseven+usg+magazine+30rd+5.7x28mm+black+polymer ,
    .
    20rd mag here >>> https://gunmagwarehouse.com/fn-five-sevenr-5-7x28mm-20-round-factory-magazine.html
    .
    55rd drum here >>> https://promagindustries.com/fn-five-seven-usg-5-7x28mm-55-rd-black-polymer-drum/
    .
    Stay safe & have a great day!
    See 1 more answer |

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