CMMG AR-15 A1 Receiver Extension and Stock KIT
CMMG
Overview
The CMMG AR-15 A1 Receiver Extension and Stock KIT is a buffer tube assembly. Compare prices from multiple merchants and find the best deal.
Specifications
Build history on GunPartPicker
Builders on GunPartPicker first added the CMMG AR-15 A1 Receiver Extension and Stock KIT to a build in July 2026.
It was hard to find in September 2026, in stock on only 5 of the 16 days we checked, and today none of the 2 retailers we track has it in stock right now. Prices barely moved in September 2026, holding around $99.95, so there haven't been real sales lately. Listed prices start at $99.95 at AR15 Discounts for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Not sure which buffer tube assembly to pick?
We ranked every buffer tube assembly by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Buffer Tube Assembly Guide →Check it against the live catalog:
Frequently Built With
Popular alongside buffer assembly parts on GunPartPicker
Wilson Combat AR-15 Lower Receiver Forged
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Wilson Combat AR-15 Starburst Gunfighter Pistol Grip Black
CMMG AR-15 HD Pivot and Takedown Pin Parts KIT - 55AFF3B
Timber Creek Outdoors Ambidextrous Safety Selector - Black
Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK
No reviews yet. Be the first to review this product!