+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Spikes Tactical ST-9X 9mm Heavy Buffer SLA009X Color: Stainless Steel, Finish: Raw, 26% Off w/ Free Shipping

Spikes Tactical ST-9X 9mm Heavy Buffer SLA009X
Spikes Tactical ST-9X 9mm Heavy Buffer SLA009X
1 of 1 images
Spikes Tactical ST-9X 9mm Heavy Buffer SLA009X

Tap Tap to Zoom

Government Export Restriction Government Export Restriction
Government Restriction Government Restriction
Questions & Answers
Spikes Tactical ST-9X 9mm Heavy Buffer is getting stuck in the buffer spring, appears that the rubber tip is expanded wider than the buffer. What now? Manufacturer Answer

You can definitely call us directly. We would suggest that you talk to John D. He is our warranty person and he can replace., any defective parts and exercise Spikes Tactical’s lifetime warranty

by Spikes Tactical, Manufacturer, July 23, 2025
with this work with the law tactical folding adapter? Expert Answer

Yes. The Law Tactical Folder works with any milspec buffer tube and any buffer including the Spikes Tactical ST-9X 9mm Heavy Buffer.

by Ethan, Gear Expert, January 25, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Best 9mm buffer by Coach Barry, Verified Owner, February 12, 2024
I use this buffer in all my 9mm AR builds. They work perfectly with no issues at all.
1/1 found this helpful
Helpful Positive Review
Great 9mm Buffer by figment, Verified Owner, November 22, 2018
Good and heavy. I have used one from Foxtrot Mikes, but this one seems to be more stable and less recoil. Actually balances my heavy barrel weight on the gun, for a better controlled follow up shot. I would recommend you give this a try if you feel ...
Read More...
4/4 found this helpful
Helpful Positive Review
works well for AR 9 pistol by bisrael, Verified Owner, February 24, 2019
Well it's like the title of the review says, it works well for ar 9 pistols. I have tried several different brands and weights of buffers on my 9mm builds (this being the 4th) and this one seems to hit the goldilocks zone..not too heavy and not too ...
Read More...
7/7 found this helpful
Helpful Positive Review
Awesome product! by WildKarrde, October 17, 2018
I used this buffer for my custom built AR-9 with BFS-III trigger, and it works like a dream! Feeds all ammo I have tried with it so far, and keeps up with the fast trigger really well. Build quality and finish is superb, I’m really glad I went with t...
Read More...
1/1 found this helpful
Most Recent Reviews
Spike pcc buffer by Paul Middendorf, Verified Owner, June 22, 2024
Nice buffer for my spikes tactical pcc build paired with a spikes tactical carbine spring. 150 rounds through so far, no hiccups, quality product from Spikes Tactical. Will buy again if needed.
Most Recent Reviews
Great buffer by Mickymouser, Verified Owner, January 11, 2024
Extended buffer so you dont break bolt catch. Works great
Read All 11 Reviews
Color: Stainless Steel Additional Features: Lasered Spider Condition: New

Code: 2A8-RBT-ST9HB-SLA009X

MPN: SLA009X

UPC: 855319005280

List: $67.99Save 26%
$49.99

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Spikes Tactical ST-9X 9mm Heavy Buffer

Use this Spikes Tactical ST-9X 9mm Heavy Buffer in a carbine stock to ensure smooth cycling of your weapon. The extended length of these AR15 Buffer Tubes by Spikes Tactical eliminate the issue of breaking bolt catches to keep your firearm in mint condition. This Spikes Tactical ST-9X 9mm Extended Heavy Buffer is built from 303 stainless steel for maximum durability. Create a more reliable rifle and decrease the amount of gas in your face during suppressed shots when using the Spikes Tactical ST-9X 9mm Heavy Carbine Buffer.image

Specifications for Spikes Tactical ST-9X 9mm Heavy Buffer:

Manufacturer: Spikes Tactical
Color: Stainless Steel
Finish: Raw
Fabric/Material: Stainless Steel
Additional Features: Lasered Spider
Condition: New
Country of Origin: USA
Weight: 7.7 oz

Features of Spikes Tactical ST-9X 9mm Heavy Buffer:

  • Material: 303 Stainless Steel
  • Finish: Raw
  • Feature: Lasered Spider
  • Weight: 7.7oz

Package Contents:

  • Spikes Tactical ST-9X 9mm Heavy Buffer

Spikes Tactical ST-9X 9mm Heavy Buffer Orderable Models

List of Orderable Models

  • Spikes Tactical ST-9X 9mm Heavy Buffer, SLA009X , MPN: SLA009X , UPC: 855319005280 , Code: 2A8-RBT-ST9HB-SLA009X
Compare (0)
1 item has been added
Add at least two items to compare