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Home Rifle Parts Bolt Parts Bolt Carrier Groups BROWNELLS AR15 BOLT CARRIER GROUP 5.56X45MM NITRIDE MP Support
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BROWNELLS
AR15 BOLT CARRIER GROUP 5.56X45MM NITRIDE MP

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050806002388 078000563
A Bolt-Carrier Group Purpose-Built to Run Reliably in Your AR-15
Whether you're looking to finish off a new AR-15 build or you need a spare bolt-carrier group to have on-hand as a ready replacement (always a good idea), Brownells has you covered with its AR-15 Bolt Carrier Group. This ready-to-roll BCG is built to provide dependable operation in any AR-15 chambered in 5.56 NATO, .223 Remington or 300 Blackout. Each Brownells AR-15 Bolt-Carrier Group features a bolt machined from 9310 tool steel, which is heat-treated and shot-peened. The carrier itself is machined from 8620 hardened steel. Both of these components, as well as every other part in the bolt-carrier group, are finished in a nitride coating. Every bolt is magnetic-particle inspected and features a torqued-and-staked gas key. With each Brownells AR-15 Bolt-Carrier Group, you'll receive the bolt, bolt carrier, gas key, firing pin, cam pin, firing pin retaining pin and an extractor with the necessary spring and rubber insert. This bolt-carrier group will work with any cartridge based on the 5.56 NATO case, and it is not designed for use in full-auto lower receivers.
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159.9 159.9 1 GBP
Product no.: 078000563
BROWNELLS AR-15 BOLT CARRIER GROUP 5.56X45MM NITRIDE MP
Mfr Part: AZT-AR15-SA-001 050806002388 Whether you're looking to finish off a new AR-15 build or you need a spare bolt-carrier group to have on-hand as a ready replacement (always a good idea), Brownells has you covered with its AR-15 Bolt Carrier Group. This ready-to-roll BCG is built to provide dependable operation in any AR-15 chambered in 5.56 NATO, .223 Remington or 300 Blackout. Each Brownells AR-15 Bolt-Carrier Group features a bolt machined from 9310 tool steel, which is heat-treated and shot-peened. The carrier itself is machined from 8620 hardened steel. Both of these components, as well as every other part in the bolt-carrier group, are finished in a nitride coating. Every bolt is magnetic-particle inspected and features a torqued-and-staked gas key. With each Brownells AR-15 Bolt-Carrier Group, you'll receive the bolt, bolt carrier, gas key, firing pin, cam pin, firing pin retaining pin and an extractor with the necessary spring and rubber insert. This bolt-carrier group will work with any cartridge based on the 5.56 NATO case, and it is not designed for use in full-auto lower receivers.
159.9 GBP 377 £159.90 *
Is a 'Call to order' product.
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 223 Remington, 5.56 mm NATO, 300 AAC Blackout Finish: Black Nitride Make: AR-15
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Restrictions

  • Is a 'Call to order' product.

Top takeaways

  1. The Brownells AR-15 Bolt Carrier Group is compatible with 5.56 NATO, .223 Remington, and 300 Blackout chambered AR-15s.
  2. Constructed with high-quality materials, featuring a 9310 tool steel bolt and 8620 hardened steel carrier, all finished with a nitride coating.
  3. Includes a complete set of components and is magnetic-particle inspected for quality assurance, but is not suitable for full-auto lower receivers.

Attributes

Cartridge: 223 Remington,300 AAC Blackout,5.56 mm NATO Finish: Black Nitride Make: AR-15 Delivery weight: 0.322kg Shipping height: 51mm Shipping width: 51mm Shipping length: 216mm UPC : 050806002388

Item details

Made in USA
US export classification: 0A501.c



Upgrade your AR-15 with the Brownells Bolt Carrier Group 5.56 NATO 🔧. Reliable, durable, and ready for any build or spare needs!

A Bolt-Carrier Group Purpose-Built to Run Reliably in Your AR-15
Whether you're looking to finish off a new AR-15 build or you need a spare bolt-carrier group to have on-hand as a ready replacement (always a good idea), Brownells has you covered with its AR-15 Bolt Carrier Group. This ready-to-roll BCG is built to provide dependable operation in any AR-15 chambered in 5.56 NATO, .223 Remington or 300 Blackout. Each Brownells AR-15 Bolt-Carrier Group features a bolt machined from 9310 tool steel, which is heat-treated and shot-peened. The carrier itself is machined from 8620 hardened steel. Both of these components, as well as every other part in the bolt-carrier group, are finished in a nitride coating. Every bolt is magnetic-particle inspected and features a torqued-and-staked gas key. With each Brownells AR-15 Bolt-Carrier Group, you'll receive the bolt, bolt carrier, gas key, firing pin, cam pin, firing pin retaining pin and an extractor with the necessary spring and rubber insert. This bolt-carrier group will work with any cartridge based on the 5.56 NATO case, and it is not designed for use in full-auto lower receivers.
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Reordered - Is a 'Call to order' product.
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Upgrade your AR-15 with the Aero Precision Upper Receiver 🚀. No auto sear cut, 5.56mm, and fully assembled for your shooting needs!
AERO PRECISION
AERO PRECISION 5.56MM ASSEMBLED UPPER RCVR NO AUTO SEAR CUT FOR AR-15 BLACK
AR-15 UPPER RECEIVER ASSEMBLED NO AUTO SEAR CUT
Upper Receivers
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In stock - Is a 'Call to order' product.
£179.90 £179.90 - £199.90
Upgrade your AR-15 with the ZRO DELTA Lower Parts Kit! 🔧 Enjoy a smoother trigger pull and enhanced performance for your firearm.
ZRO DELTA
ZRO DELTA AR-15 LPK NO TRIGGER GUARD OR GRIP
AR-15 LOWER PARTS KIT
 
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In stock
£69.90 £69.90 - £79.90
Build your dream rifle with the AR-15 GEN 2 Stripped Lower Receiver! 🛠️ Precision machined from durable 7075 T6 aluminum for lasting performance.
AERO PRECISION
AERO PRECISION GEN 2 STRIPPED LOWER RECEIVER FOR AR-15 BLACK
AR-15 GEN 2 STRIPPED LOWER RECEIVER
Lower Receivers
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In stock - Is a 'Call to order' product.
£149.90 £149.90 - £189.90
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