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


 
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These BCG's are brand new in original product packaging and 100% functional but may have cosmetic imperfections/blemishes.

Please note:

  • Pictures are not of the actual blemished product.
  • No refunds or exchange will be issued unless they don’t function as intended.


Your Price: $219.99
Sale Price: $142.79
Savings: $77.20


Stock Status:(Out of Stock)

Availability: Usually Ships in 1 to 2 Business Days


Polished Finish:


Qty:  
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.

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 / Hyper Black (Polished)




Average Rating: 5 of 5 Total Reviews: 56 Write a review »


  0 of 0 people found the following review helpful:
 
Love it July 6, 2018
Reviewer: First build from Kyle, TX United States  
It's a piece of art not a rifle part

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  0 of 0 people found the following review helpful:
 
bcg July 1, 2018
Reviewer: james randall from Mead, CO United States  
got the dlc coated bcg. beautiful look. not sure why it's a second, but i am happy with the look. can't wait to try it out

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  0 of 0 people found the following review helpful:
 
bolt carrier xpb June 30, 2018
Reviewer: Richard Skarad from Norwalk, CT United States  
Very happy with may purchase am looking to buy other things from you want to build a 2545 rifle I'm waiting for a blemishes 20 inch stainless steel barrel now.
               Thank you
               Rich Skarad

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  0 of 0 people found the following review helpful:
 
Amazing BCG June 30, 2018
Reviewer: Anonymous Person from West Chester, PA United States  
This BCG is best,not a blem on it and it works great.

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  0 of 0 people found the following review helpful:
 
June 28, 2018
Reviewer: Tim Lunsford from Spring Creek, NV United States  
Ordered on Sat, shipped out Monday and arrive Wednesday, couldn't ask for any thing better.

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SRC Arms