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JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube Color: Black, Finish: Type III Hard Coat Anodized, $1.50 Off

JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM
JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM
JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM
JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM
JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM
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JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM
JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM
2 of 4 images
JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM
JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM
3 of 4 images
JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM
JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM
4 of 4 images
JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM

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Questions & Answers
Is this a regular 7.25” tube or is it extended? Expert Answer

The JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Buffer Tube is a standard Milspec 7.25" tube.

by Ethan, Gear Expert, January 28, 2022
is this carbine length? and will it work for an AR-15 in 5.56 Expert Answer

It is carbine length and yes this is compatible with an AR-15.

by Brandon B, Gear Expert, August 21, 2021
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
very nice tight fit. by Aaron Sheffield, Verified Owner, March 13, 2024
Good solid tight fitting adjustable stick. Little to no rattle, latches solid into each position
1/1 found this helpful
Helpful Positive Review
Excellent buffer tube by Rusty, December 27, 2023
As advertised with better finish than most , definitely a great addition to my new build and will be my go to for future builds.
1/1 found this helpful
Helpful Positive Review
GOOD QUALITY by nomadshooter, Verified Owner, October 28, 2020
received buffer tube and visual was a high quality item, installed the buffer tube with no issues. When I was test firing the gun though, I noticed issues. The area where the spring retainer pin is located had longer cut outs on the sides where the...
Read More...
1/2 found this helpful
Helpful Positive Review
Needed this for a current build by User, April 17, 2020
I needed a buffer tube for a current build. Saw this was cheaper than others online, so I bought it. It fits, does what is supposed to, and was at a decent price. I would buy this again, and I do recommend buying this if you need a mil-spec 6-positio...
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1/2 found this helpful
Helpful Negative Review
6061 claiming to be mil-spec? by CiTY HuNTeR, April 3, 2021
All mil-spec are including materials. Only 7075 aluminum can be called mil-spec. This tube is only 6061, an aluminum alloy that is much softer than what mil-spec tube uses. I'd not suggest anyone to use 6061 material on the buffer tube.
4/9 found this helpful
Most Recent Reviews
Quality Buffer Tube by Tactical Reviews, Verified Owner, July 23, 2020
This JE Machine Tech Ar15/AR10 Mil spec 6 -position buffer tube is made durable and will prove reliable for you next AR build! The six position slide on this buffer is a good relacement if you have a standard 5 position buffer tube that comes with y...
Read More...
Read All 6 Reviews
Color:
Black
Gun Model:
AR-10, AR-15
Condition:
New

Code: 3HH-RBT-DPMSPBT-PS-BTM

MPN: PS-BTM

UPC: 811577030280

List: $24.99Save $1.50
$23.49

Product Info for JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube

Constructed of 6061 aluminum with meticulous care given to each cut, our Mil-Spec buffer tubes are sure to be the perfect choice for any range toy or utility build. Our buffer tubes come in standard, slotted, arrow, and dotted designs. Available in a variety of colored finishes and compositions (7075-T6 available for standard) to meet specialty needs.image

Specifications for JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube:

Manufacturer: JE Machine Tech
Color: Black
Finish: Type III Hard Coat Anodized
Fabric/Material: 6061-T6 Aluminum
Gun Model: AR-10, AR-15
Condition: New

Features of JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube

  • Mil-Spec
  • Type II anodized
  • 6061 aluminum
  • 6 positions
  • 3.8 oz
  • Inner diameter: 1"; Outer diameter: 1.145"; Length is 7.15"

Package Contents:

  • JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube

What firearm models does the manufacturer say JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube is compatible with?

The manufacturer says that JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube is compatible with AR-15, AR-10

JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube Orderable Models

List of Orderable Models

  • JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM , MPN: PS-BTM , UPC: 811577030280 , Code: 3HH-RBT-DPMSPBT-PS-BTM

JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube Unavailable & Discontinued Models

List of Unorderable Models

  • USED, JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM , MPN: PS-BTM-EDEMO , Code: 3HH-RBT-DPMSPBT-PS-BTM-EDEMO-RE-B
  • JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, 6061-T6, Anodized, Tan, PS-BTMTAN , MPN: PS-BTMTAN , UPC: 811577033755 , Code: 3HH-RBT-DPMSPBT-PS-BTMTAN
  • USED JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM, EDEMO2, Condition Parts Only/Salvage, Defective , MPN: PS-BTM-EDEMO2 , Code: 3HH-RBT-DPMSPBT-PS-BTM-EDEMO-DF-F
  • USED JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM, EDEMO1, Condition Fair, Used , MPN: PS-BTM-EDEMO1 , Code: 3HH-RBT-DPMSPBT-PS-BTM-EDEMO-US-D
  • USED JE Machine Tech AR-15/AR10 Mil-Spec 6-Position Receiver Extension Buffer Tube, Black, PS-BTM, EDEMO4, Used, Condition Like New , MPN: PS-BTM-EDEMO4 , Code: 3HH-RBT-DPMSPBT-PS-BTM-EDEMO4
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Last updated 2026-09-26 UTC.