About this bolt carrier group
LanTac USA M-SPEC BCG Assembly - .223/5.56 is a bolt carrier group for AR-15.
Match the bolt to the barrel extension and caliber: 5.56/.223 and 300 Blackout share a bolt, 6.5 Grendel and 7.62x39 do not. On an AR-10 pattern rifle confirm the carrier is the right pattern (DPMS or Armalite) for your receiver.
Manufacturer details
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 both 5.56/.223 and 7.62/.308 Caliber the Lantac M-SPEC 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 QPQ Nitrided rather than Type M Phosphated to give increased corrosion resistance durability 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. - The M-SPEC line of products are ideal for budget builds where quality and reliability are still paramount. - 8620 Carrier Heat Treated Hard Turned & Ground. - MPI Carpenter 158 or 9310 Bolt Shot Peened Hard Turned / Ground. - QPQ Nitride Finish. - CP-R360 Domed Cam Pin - Shot Peening is conducted with S110 shot Established by Almen Gage A-2 strip .006 -.008 - Lifetime Warranty. - Made in the USA.
Specifications
- Brand: LanTac USA
- Fits: AR-15
- Compatibility: AR-15 Style Rifles
- Caliber: .223/5.56
- Material: 8650 Steel, QPQ Nitride Finish
- Color: Black
- Manufacturer Part #: 01-MSPEC-556-NIT-BCG
- UPC: 711841794095
Buying from WBT Guns
- Delivery: Ships to your door anywhere in the United States, or pick it up free at our La Mesa store.
- Payment: Pay in full or finance with Credova.
- Questions: Fitment or compatibility questions? Call (619) 667-9453 or email sales@wbtguns.com. FAQ
WBT Guns is family-owned in La Mesa, California, and has served shooters since 2012.
A note on accuracy. Specifications, fitment and images come from the manufacturer and can contain errors or change without notice. If a detail matters to your purchase, call us and we will confirm it before you order. Any compliance notes are general information, not legal advice; California and local laws change, and the rules that apply depend on the firearm the part goes on.
