Skip to content

📞 (508) 735-4853 | 📍 176 Worcester-Providence Turnpike, Sutton, MA 01590

Start Your 4473 | MA Firearms Law | Store Policies | Join Our Team | Blog

Firearms
Used Guns
MA Law
LTC & Training
- LTC Classes
- MA Firearms Law
Services
About

Search Products

×

Home / Gun Parts / AR Lower Parts / AR Buffer System / Page 7

Shop

AR Buffer System

Filters

Location

Location

Ship from Warehouse
Sutton (111)

Availability

Availability

All Products
In Stock (114)

Categories

Categories

Categories

Brands

Brands

Brands

Caliber

Caliber

Caliber

PRICE RANGE

PRICE RANGE

Search Archive Pages

Search content

1 - 12 of 114 products

Sort Products

Sort content

CMMG 55CA6C7 Receiver Extension Kit includes Carbine Style Buffer & Action Spring for for AR-15

$65.00

CMMG 55CA9A7 Buffer Assembly Stainless Steel AR15

$30.00

CMMG 55CA9D7 Receiver Extension MK4 Black Steel AR Platform

$38.00

CMMG ACTION TUNING KIT – MKG/MKGS/MK57

$23.00

CMMG AR-15 BUFFER ASSEMBLY

$26.00

CMMG AR-15 BUFFER RETAINER PARTS KIT

$3.00

CMMG AR15 BUFFER TUBE CASTLE NUT

$10.00

CMMG AR15 END PLATE AMBI SLING POINT

$8.00

CMMG BUFFER ASSEMBLY CARB MK3

$47.00

Email When Back In Stock

CMMG BUFFER ASSEMBLY CARB MK9

$34.00

Email When Back In Stock

CMMG BUFFER ASSEMBLY H2

$104.00

CMMG FASTBACK RECEIVER EXTENSION MIL-SPEC

$54.00

1
2
3
…
9
10
Next

Sutton, MA's most approachable firearms retailer. Specializing in carry guns, used firearms, and helping new Massachusetts buyers get licensed and armed with confidence.

f 📷

Shop

Carry Guns MA Compliant Handguns MA Compliant ARs Used Firearms Rifles & Shotguns Gift Cards

Services

LTC Classes Sell My Gun FFL Transfers Start Your 4473 MA Firearms Law Apparel

Company

About Us Blog Join Our Team Contact Us Store Policies Privacy Policy

© 2026 Pioneer Arms LLC. All rights reserved. 176 Worcester-Providence Turnpike · Sutton, MA 01590 · (508) 735-4853 Website design by Worcester County Web Design LLC.