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Sharps XPB Carrier Group Complete
Sharps XPB Carrier Group Complete
Sharps Rifle Company XPB (Xtreme Performance Bolt) Carrier Group Complete


 
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The Sharps Xtreme Performance Bolt (XPB) Carrier Group Complete is precisely machined from S7 tool steel. The XPB undergoes a 24-hour thermal cycle proprietary heat treatment and is finished with DLC (Diamond Like Carbon) Coating.
Your Price: $219.99
Sale Price: $169.99
Savings: $50.00

Stock Status:In Stock

Availability: Usually Ships in 3 to 5 Business Days
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Description
 

The Sharps Xtreme Performance Bolt (XPB) Carrier Group Complete has the same design as the Balanced Bolt Carrier Group and is precisely machined from S7 tool steel. The XPB undergoes a 24-hour thermal cycle proprietary heat treatment and is finished with DLC (Diamond Like Carbon) Coating. The XPB Carrier Group Complete displays the SRC logo machine cut and visible when the ejection port door is open. The XPB fits standard AR-15/M16/M4 rifles chambered in .223/5.56mm, 25-45 Sharps and 300 Blackout calibers.

We offer a 30-Day Money Back Guarantee on our complete line of Sharps bolt and bolt carrier products.

Technical Data
Bolt: S7 Tool steel, shot peened DLC coated (U.S. Patent No. 9,863,729)
Bolt Carrier:
S7 Tool steel, shot peened and DLC coated
Gas Key: 4130 Steel, attached with Grade 8 hardware, properly staked and DLC Coated
Cam Pin: 4340 Steel, Manganese Phosphate coated
Firing Pin: Mil Spec firing pin made of 8740 steel, center‐less ground and Hard Chrome coated
Extractor: 4340 Steel, Manganese Phosphate coated
Ejector: S7, shot peened and Manganese Phosphate coated
Extractor Pin: S7, shot peened and Manganese Phosphate coated
Mil-Spec Extractor and Ejector Springs, Firing Pin Retaining Pin, Gas Rings

Batch MPI and HPT tested
Tensile strengths of 1550-1600 mpa, or 220,000-235,000 psi.
Toughness of over 200 ft./lb. Charpy C-Notch
HRC of 46 yields a 15% increase in hardness at the same toughness comparing to Carpenter 158 & 9310


Technical Data on DLC Coating

Coating thickness: 2 - 4 Microns
Hardness HV 0.05: HRC 80+
Deposition method: PVD UBM/PACVD
Friction vs. steel, dry: 0.1
Color: Matte Black




Strongest AR15 BCG XPB Extreme Performance Bolt
World's Toughest AR15 BCG?! 😍SRC XPB BCG Review!
Average Rating: 5 of 5 Total Reviews: 239 Write a review »


  0 of 0 people found the following review helpful:
 
The Best BCG I have June 22, 2018
Reviewer: Robert from Loganville, GA United States  
Your Sharps XPB is amazing! It is the best BCG I have ever used. I have 2 of them and they work no matter what ammo I shoot. Thanks for making this super BCG.

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  0 of 0 people found the following review helpful:
 
CARRIER GROUP June 22, 2018
Reviewer: Greg Smith from NORTH SALT LAKE, UT United States  
GREAT COMPANY TO DEAL WITH ORDERED AND GOT WHAT WAS ADVERTISED, GREAT QUALITY. THANK YOU

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  0 of 0 people found the following review helpful:
 
Great company June 21, 2018
Reviewer: Tim DeLong from Seymour, TN United States  
Purchased bcg because of the great reviews that i read.
Very satisfied with service and outstanding quality of product.thank you SRC for a great product at a great price!


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  0 of 0 people found the following review helpful:
 
Excellent Product June 21, 2018
Reviewer: Roger Greer from Jonesville , NC United States  
This will be my 3rd BCG from Sharps Rifle. In my opinion there is not a better BCG on the market.

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  0 of 0 people found the following review helpful:
 
XPB bolt carrier group June 18, 2018
Reviewer: Harrison Owens from Dripping Springs, TX United States  
It's works great, a lot smoother than my mil spec one.

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