LanTac M-Spec BCG .223/5.56mm NIB
$171.63
The Lantac M-SPEC BCG delivers mil-spec quality with enhanced performance for your .223/5.56mm AR-15 build. NiB coated for smooth cycling and long-lasting reliability.
Out of stock
Lantac M-SPEC
Above Mil Spec.
Not every customer has the requirement or budget for a fully enhanced top of the line AR15 accessory. Many users simply need a quality milspec component supplied at a sensible price.
M-SPEC® is a range of AR15 accessories and components that follow the military specification in dimensions tolerances and materials with the addition of a few upgrades and enhancements to raise the performance standard of the product above the 'milspec' rating while retaining the same economical price point as traditionally offered by other providers.
Offered in 5.56/.223 Caliber the Lantac M-SPEC NiB 5.56/.223 BCG is precision machined to milspec dimensions and tolerances. The carrier is full auto style with increased mass and is manufactured from 8620 steel case hardened and hard turned/ground so that internal dimension are exact to mil specifications. It is then NiB (Nickel Boron) coated rather than Type M Phosphated to give increased corrosion resistance durability lubricity and performance.
The Bolt is machined from Carpenter 158 or 9310 shot peened and hard turned as per the military spec.
Each BCG is further fitted with a Lantac CP-R360 domed head cam pin which are precision machined from 17-4PH stainless steel hand polished and hardened to H900 condition this further reduces friction and wear within the upper receiver.
| Weight | 0.815 lbs |
|---|---|
| Dimensions | 11.000 × 4.000 × 1.750 in |
| Manufacturer | LanTac USA LLC |
| Caliber | .223/5.56mm |
| Finish | NiB |
| Material | 8620 steel |
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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