HOME > AR-9 > AR-9 LOWER PARTS >

AR-9 9MM BUFFER 4" EXTENDED LENGTH - 8oz
AR-9 9MM BUFFER 4" EXTENDED LENGTH - 8oz
 
MSRP: $24.00
Our Price: $19.99

Stock Status: In Stock


Product Code: MAS00118207
Qty:

DESCRIPTION
 
AR-9 9MM BUFFER 4" EXTENDED LENGTH - 8oz

- 8 oz
- Made of steel
- Extended 4" Length. (A standard buffer measures 3.25")
- Will work in both Mil-Spec and Commercial tubes.
- Includes a mil-spec bumper
- Phosphate Finish

The added length helps prevent breakage of the bolt catch.

RELATED ITEMS
8.3" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL AR-9 9MM BOLT CARRIER GROUP - GLOCK AND COLT BCG - MELONITE NITRIDE 5.25" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 4.2" M-LOK RAIL 16" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 15" M-LOK RAIL
SALE PRICE: $224.99
SALE PRICE: $109.99
SALE PRICE: $219.99
SALE PRICE: $244.99
8" 9MM BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL AR-9 9MM BOLT CARRIER GROUP GLOCK AND COLT BCG - MELONITE NITRIDE 5.25" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 4.2" M-LOK RAIL 16" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 15" M-LOK RAIL

Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 130 CLICK HERE TO WRITE A REVIEW »

  0 of 0 people found the following review helpful:
 
5 of 5 8oz buffers Thursday, October 8, 2026
: Ed Owens from Woonsocket, RI United States  
Awesome service, shipped right away and received them in about 3 days. Couldn't ask for any better service.

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
5 of 5 Great deal Saturday, October 3, 2026
: westin clinard from Elkmont, AL United States  
Reviewing the product - but more so the company. Packaging was great, came with stickers, and they followed up with me via email to make sure everything was up to par. 10/10 company and good deal on what i bought.

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
5 of 5 Perfect Thursday, July 30, 2026
: Isidoro Lopez from Miami, FL United States  
8 Oz for the pistol 9mm with 11.5 barrel

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
5 of 5 8oz AR9 Buffer Sunday, July 12, 2026
: Eric  
My buffer was shipped quickly and arrived within a week. Perfect upgrade for my rifle after adding a suppressor.

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
5 of 5 Thursday, May 14, 2026
: Dexter Hardin from Lumberton, NC United States  
Nice product..

Was this review helpful to you?

View All Customer Reviews