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Questions & Answers
How much does the bolt weigh without packaging? Expert Answer

Alpha Shooting Sports does not provide the weight of their ALPHA Premium 5.56 Nitride V2 Bolt Carrier Group. I would recommend contacting them directly for more information.

by Ethan, Gear Expert, January 6, 2023
are all 5.56 BCGs the same in respect to rifle, hand gun, brand etc. I have a mossberg as well as a Radical arms Expert Answer

There may be alterations that reduce weight, improve ejection, improve movement and reducing friction, or a different gas key if the system it's designed for doesn't have the need. Most AR-15 .223/5.56/300AAC bolt carrier groups will be interchangeable between rifles though. The only feature in that that would be necessary to check is that it is indeed still for direct impingement.

by Kurt Colbourne, Gear Expert, August 26, 2021
Customer Reviews
Helpful Positive Review
Alpha bolt carrier group by Tom C, Verified Owner, May 5, 2020
Took a chance on this bcg & glad I did. Very well machined. No tooling marks, swirls or burrs. Has a real slick profile to it. The nitride treatment is highly polished & looks like glass. After 300 rounds I wiped it off with some clp & it looks like ...
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4/4 found this helpful
Helpful Positive Review
Great quality BCG by Mike, Verified Owner, May 31, 2020
I used the ALPHA premium bolt carrier group on my latest build and it appears to be beautifully made. Great fit and finish. Can't beat this BCG at this price anywhere. As always OPTICSPLANET has great service even during the current pandemic panic.
3/3 found this helpful
Helpful Positive Review
Alpha Shooting Sports BCG by Tom C, Verified Owner, September 9, 2020
Bought this bcg on a friend’s recommendation and glad I did. Ran in multiple ar’s flawless. The machining is top notch. The nitride treatment is as smooth as glass. Super easy to clean. I’ve always ran with “high end” name brand bolt carrier groups i...
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3/3 found this helpful
Helpful Positive Review
Top Quality for Low Pricing by Dj Iroc, Verified Owner, November 24, 2020
Very impressed on the finish and quality of the BCG. Smooth action and easy to clean. Ran about 500 rounds and not even a mark on the bolt face or lugs and extractor. Spits out brass as well as steel ammo with no issues at all.
8/8 found this helpful
Helpful Positive Review
Glad i bought this. Super good quality and finish. Alpha Shooting Sports v2 bcg is very reliable and property inspected. Very satisfied. This bolt carrier group is as good as any Aero, Daniel Defense or any high end bcg without the over exaggerated p...
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4/4 found this helpful
Helpful Positive Review
bolt caryer by Migy, Verified Owner, June 9, 2022
It came well packaged grate time important peace thanks product like mention on pictures it works good no parts missing all complete good price for what it works I continue to buy parts for what I need to build my toys thanks for making it easy for m...
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2/2 found this helpful
Read All 9 Reviews

Product Discontinued by Manufacturer

Alpha Shooting Sports ALPHA Premium 5.56 Nitride V2 Bolt Carrier Group (BCG) has been discontinued by Alpha Shooting Sports 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 Alpha Shooting Sports ALPHA Premium 5.56 Nitride V2 Bolt Carrier Group (BCG)

Carrier: Machined from 8620 steel & QPQ nitride/melonite treated. Improved carrier geometry with M16 profile. The QPQ nitride/melonite treatment hardens the surface to 70 RC and reduces friction, adding corrosion resistance inside and out. Bolt: 9310 & QPQ nitride/melonite treated. Shot peened precision ground diameters. Magnetic particle inspected and laser marked. Extractor machined from S7 tool steel. Crane extractor O ring to boost extraction clamping force. Gas key machined from billet 4140 with grade fasteners and staked to mil spec. Chrome plated firing pin per mil spec.image

Features of Alpha Shooting Sports ALPHA Premium 5.56 Nitride V2 Bolt Carrier Group BCG

  • Carrier: Machined from 8620 steel QPQ nitride/melonite treated.
  • Improved carrier geometry with M16 profile.
  • The QPQ nitride/melonite treatment hardens the surface to 70 RC and reduces friction, adding corrosion resistance inside and out.
  • Bolt: 9310 QPQ nitride/melonite treated.
  • Shot peened precision ground diameters.
  • Magnetic particle inspected and laser marked.
  • Extractor machined from S7 tool steel.
  • Crane extractor O ring to boost extraction clamping force.
  • Gas key machined from billet 4140 with grade fasteners and staked to mil spec.
  • Chrome plated firing pin per mil spec.

Package Contents:

  • Alpha Shooting Sports ALPHA Premium 5.56 Nitride V2 Bolt Carrier Group

Ammunition

140 / 40
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Alpha Shooting Sports ALPHA Premium 5.56 Nitride V2 Bolt Carrier Group (BCG) Unavailable & Discontinued Models

List of Unorderable Models

  • Alpha Shooting Sports ALPHA Premium 5.56 V2 Bolt Carrier Group BCG, QPQ Nitride/Melonite Plated, Black, MELBCGPv2 , MPN: MELBCGPv2 , UPC: 859311007938 , Code: 33Q-BCG-ASPQBCG-MELBCGPV2
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