

Click to see full view
CMC Triggers
Overview
The CMC 8-Position Extended Buffer Tube Assembly Kit is a complete assembly designed for carbine-length AR-15 builds, featuring a Mil-Spec buffer tube that ensures compatibility with a wide range of stocks. The extended design provides additional length options for improved customization, allowing builders to fine-tune their setup for optimal comfort and control. This assembly is commonly found in builds that prioritize versatility and adaptability in shooting positions.
Prices checked
Builders have been adding the CMC 8-Position Extended Buffer Tube Assembly KIT, Black to their builds on GunPartPicker since March 2026. All time, it ranks #41 of the 162 buffer tube kits builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 4 of the 5 retailers we track have it in stock. Prices barely moved in September 2026, holding around $99.99, so there haven't been real sales lately. Buying today, the lowest price is $99 at KY Gun Company, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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:
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!