LANTAC M-SPEC BCG 556 TIN
$175.78
The LANTAC M-SPEC BCG 556 TIN is a top-tier bolt carrier group designed for AR-15 enthusiasts seeking reliability and performance without the premium price tag. Crafted to mil-spec standards, this full-auto-profile BCG ensures dependable function under diverse conditions, making it an essential upgrade for any serious build.
Out of stock
The LANTAC M-SPEC BCG is a bolt carrier group for AR15 firearms with an M16-style profile. It is chambered for 223 Remington and 5.56 NATO.
This model has a gold titanium nitride finish.
- Manufacturer: LanTac USA LLC
- Category: Parts
- Caliber: 223 Remington/5.56 NATO
- Fits: AR15
- Profile: M16 Style
- Finish: Titanium Nitride
- Color: Gold
- Manufacturer Part Number: LAN01-MSPEC-556-TINBCG
- UPC: 640117876282
| Weight | 0.813 lbs |
|---|---|
| Dimensions | 11.000 × 4.000 × 1.750 in |
| Manufacturer | LanTac USA LLC |
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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