CMC Triggers AR15 8-Position Extended Buffer Tube Assembly Kit – A5 Length (8P-A5)
$101.30
Upgrade your AR-15 with the CMC AR15 8-POS BUFFER KIT A5 LENGTH, designed for enhanced performance and reliability. This precision-crafted kit outperforms traditional carbine-length setups, ensuring smoother operation and improved functionality. Trust CMC Triggers’ reputation for quality to take your shooting experience to the next level.
20 in stock
This 8-position Buffer Tube is machined from industry-standard 6061-T6 aluminum with a MIL-A-8625 Type III Class 2 hard anodized finish. The design features precise drainage holes that remove water from the system in marine environments.
CMC Triggers Buffer Tube Kits are produced entirely in-house and are backed by their 100% satisfaction guarantee and lifetime warranty.
With the Buffer Tube Kit being such a critical component in the assembly of AR-style firearms providing a secure attachment point for the buffer spring and buffer. By bringing the manufacturing of this kit in-house they have been able to engineer a product that is flawlessly created in a single pass through CMC's Mazak Integrex machine going from raw material to final assembly in a matter of minutes.
By maintaining complete control over the manufacturing process CMC can ensure consistent quality tighter tolerances and faster turnaround times for their Buffer Tube Kits.
Features:
- 8 Position Buffer Tube (A5 Length)
- Mil-Spec
- A5 Style Buffer 3.8oz
- High-Quality Recoil Spring
- Castle Nut & QD Receiver End Plat
| Weight | 0.880 lbs |
|---|---|
| Dimensions | 11.500 × 2.000 × 2.000 in |
| Manufacturer | Cmc Triggers |
| Finish | Anodized |
| Material | Aluminum |
| Compatible With | AR-15 |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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