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Questions & Answers
Will this work with a 300 Blackout?

Most likely

by Mike, Verified Owner, November 27, 2019
Can the bolt head be changed to switch calibers, e.g. from 5.56 to .224 Valkyrie? Thank you. Expert Answer

No, the bolt cannot be changed as it is integral to the function of this specific bolt carrier group.

by Armando R., Gear Expert, December 21, 2019
Customer Reviews
Most Recent Reviews
So far so good by Mike, November 27, 2019
For those wondering, I think this will work with any AR-15 based caliber. Just change the bolt if needed. I was trying to find another or two for my .300 BO and .50 Beowulf. It now seems that finding a BCG is harder than finding a barrel without a ga...
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Product Discontinued by Manufacturer

LANTAC Enhanced Straight Pull .223/5.56 Bolt Carrier Group (BCG) has been discontinued by LANTAC and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Parts, Bolt Carrier Groups yourself to try and find the perfect replacement for you!

Product Info for LANTAC Enhanced Straight Pull .223/5.56 Bolt Carrier Group (BCG)

Our Straight Pull BCG is designed for use in manually operated rifles where no gas system is present.image

The Gas Key has been replaced with a piston style guide. The carrier body has been reshaped and reduced in weight and features an oil resevoir access hole together with sprung loaded assisted bolt unlocking. This system is ideal for shooters who want an AR style rifle for hunting in states that prohibit semi auto use or for customers in more restrictive states that limit features on semi auto AR style rifles.

The BCG is designed to function perfectly with our USC (Upper Side Charging) receiver. It works like a bolt action system.

The BCG comes complete with three different handle variants. Knurled Steel, Smooth Steel with Silicone Rubber insert, Neoprene over Steel core. In addition the Straight Pull E-BCG comes complete with a Straight Pull Arm and stubby Side Charging screw in base, so customers get full flexibility from the outset. Handle base threads are 1/4-28TPI and can be tightened in place using an adjustable spanner on the flats provided.

Handles are retained by a special 3/16th Allen head screw.

All components are machined from Stainless Steel and QPQ Nitride finished.

Features of LANTAC Enhanced Straight Pull .223/5.56 Bolt Carrier Group BCG:

  • Weight 11.7oz (Excluding Handle).
  • Lubrication Point.
  • Balanced flared boss.
  • 8620 Carrier
  • Heat Treated
  • Hard Turned Ground.
  • MPI Carpenter 158 Bolt
  • Shot Peened
  • Hard Turned / Ground.
  • QPQ Nitride Finish.
  • CP-R360 Domed Cam Pin
  • All Hard Chrome surfaces are to MIL-STD-171 1.2.2.2
  • Shot Peening is conducted with S110 shot
  • Established by Almen Gage A-2 strip .006 -.008
  • Charging Handle with x3 configurations.
  • Lifetime Warranty.

Package Contents:

  • LANTAC Enhanced Straight Pull .223/5.56 Bolt Carrier Group

Ammunition

152 / 52
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Ammo Boxes

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Related Products to LANTAC Enhanced Straight Pull .223/5.56 Bolt Carrier Group (BCG)

LANTAC Enhanced Straight Pull .223/5.56 Bolt Carrier Group (BCG) Unavailable & Discontinued Models

List of Unorderable Models

  • LANTAC Enhanced Bolt Carrier Group BCG, Straight Pull, .223/5.56, Black, 01-UP-SP-NIT-EBCG , MPN: 01-UP-SP-NIT-EBCG , UPC: 712038709946 , Code: 2D0-BCG-2UPNITST-01-UP-SP-NIT-EBCG
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Last updated 2026-08-01 UTC.