Home > All Products >

Sharps XPB Carrier Group Complete

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


 
Alternative Views:


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: $179.99
Savings: $40.00

Stock Status:In Stock

Availability: Usually Ships in 1 to 2 Business Days
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.

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 and DLC coated
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 μm (Micro Meter) or 2-4 μ (Microns)
Hardness HV 0.05: 2000 – 2800 or 80+ HRC
Deposition method: PVD UBM/PACVD
Friction vs. steel, dry: 0.1
Color: Carbon Black (Matte) / Hyper Black (Highly Polished)




Daily Shooter: Sharps Rifle Co XPB BCG Review and Testing
Average Rating: 5 of 5 Total Reviews: 34 Write a review »


  0 of 0 people found the following review helpful:
 
Great fit and finish May 26, 2017
Reviewer: Matthew Jones from Belgrade, MT United States  
Awesome look and feel. I have not shot it yet however great looking assembly and great service...

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
.300 blackout pistol May 22, 2017
Reviewer: Alan Johnston from Memephis, TN United States  
Was short stroking in my 7.5" pistol. Swapped it into my 16" carbine and the issue was resolved.

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
XPB (bolt carrier group) May 18, 2017
Reviewer: Jeremy from Fair Oaks, CA United States  
The bolt carrier group was even better than it appeared on the web site.  It showed up within a couple of days of ordering it too.

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
DLC way to go May 16, 2017
Reviewer: Patrick Murray from Seattle, WA United States  
I was already sold on the design and now with DLC it is a perfect product.

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
Xpb bcg May 12, 2017
Reviewer: Robert Frazier jr from GA United States  
The Sharps xpb bcg is a excellent product..... I will purchase another one for my next build

Was this review helpful to you?

View All Customer Reviews
SRC Arms