308AR Nickel Boron Drop-in bolt carrier group has a self-lubricating surface that eliminates the need to apply oil or grease that can attract dirt, dust, unburned powder, and carbon and lead to cycling failures. Proprietary EXO-treated Nickel Boron finish produces an exceptionally hard surface that's 40% more wear resistant than …

STAG ARMS LEFT HANDED AR15 BOLT CARRIER GROUP 5.56/.223/.300- NICKEL BORON (0) $169.99 On sale: $164.95 Sale. Out of Stock. Knurled Side Charging Handle (0) $16.75 On sale: $14.99 Sale. In Stock. FailZero, M16/M4 Bolt Carrier Group (0) $155.85 On sale: $139.55 Sale. In Stock. TSG MIL SPEC BOLT CARRIER GROUP WITH FLAG (0)

5.56 BOLT Carrier Group, COMPLETE - NICKEL BORON (No Packaging) - $109.97 (Free Shipping over $100) $109.97 This contract overrun 5.56 BCG is a no-frills nickel boron bolt carrier group that ships without customer packaging.

Aero Precision AR 308 Ambi Charging Handle & .308 Nickel Boron Bolt Carrier Group - APSL100454S. $249 99 $279.99 . In Stock. Purchase Now. Battle Arms Development AR15/M16 Full Auto BCG Bolt Carrier Group - BAD-BCG-M16. $149 68. In Stock. Purchase Now. Tacfire AR-15 .45 ACP Gen 2 Bolt Carrier Group - BCG45ACP-G2. $109 99.

A nickel boron bolt carrier group will have greater lubricity and corrosion resistance than both chrome and nitride BCGs. For these reasons, it is a very popular AR-15 BCG finish. UCT Coatings of Palm City Florida applies their patented EXO Nickel Boron finish to many products including AR-15 BCGs for Fail Zero and Toolcraft. That Nickel …

In turn, this has led to the development of a nickel-boron coating process. What Is Nickel Boron? Nickel boron is an alloy consisting of approximately 95 percent nickel and five …

Our signature AR-15 Bolt Carrier Group is available in two finishes. The first finish is a black nitride. However, the one we're focusing on here is our nickel boron coating, which reduces friction and also improves overall performance. So why is nickel boron so great? For that, here's a little science. Nickel boron (NiB) is a columnar-formed ...

The Problem With Nickel-Boron A few months ago I discussed metals and coatings for firearm actions. I noted the NiB (nickel-boron) gets discolored by fouling, but my photos only showed a …

AIM AR/M16 .223/5.56 NiB 9310 MPI Bolt Carrier Group

Proudly made in the USA!AIM AR/M16 5.56/.223/.300 BLACKOUT complete Nickel Boron Bolt Carrier Groups. We are having these bolts manufactured to our exacting standards with no Frills added to be able to offer the best BCG at the Best Price!

The Lantac Auto E-BCG is a great solution for your favorite auto rifle with increased mass and lock time. Precision machined from high quality 8620 steel and coated with NiB electroless nickel boron with advanced UCT EXO, these Bolt Carrier Groups by LANTAC offer ultimate lubricity for a smoother operation. The Lantac Full Auto 8620 Bolt Carrier …

Investing in a quality AR15 bolt carrier group is the best way to prevent malfunctions in the long run. We offer quality NP3 bolt carrier groups (nickel Teflon BCG), NiB-X bolt carrier …

TRYBE Defense Mil-Spec Nickel Boron Coated Cam Pin (1) $15.99 (Save 69%) $4.91 Blazin' Deal 4 models JP Enterprises EnhancedBolt 9mm AR Bolt Carrier Group (BCG) Kit - JP Short Silent Capture Spring (3) As Low As (Save Up to …

Home / Bolt Carrier Groups / Bolt Carrier Group- Nickel Boron. Bolt Carrier Group- Nickel Boron. SKU: ST5BG03 $ 225.00. Bolt Carrier Group- Nickel Boron quantity. Add to cart. SKU: ST5BG03. ... Complete Nickel Boron Plated M-16 BCG. Nickel Boron Coating Inside and Out (Bolt, Carrier, and Gas Key) Laser Engraved with ST Spider logo. …

bolt carrier assembly, ar-10 (dpms), .308 winchester, auto, dual ejector, nickel boron Special Price $271.96 Regular Price $339.95 Item Number : TR-BCA-NIB-308

This is a picture taken after 200 rounds were fired through each bolt carrier group. Corrosion Resistance. NP3 has great corrosion resistance twice the amount of nickel boron. NP3 Plus has ten times the corrosion resistance of nickel boron. Nickel boron is at the same level of corrosion resistance as regular nickel or chrome

Standard finishes include parkerizing, black nitride, nickel boron, titanium nitride, and diamond-like carbon. Testing – Quality tests such as high-pressure testing and magnetic particle inspection are essential to …

Nickel Boron M16/AR15 Bolt Carrier - Carrier Only (Blem) MSRP: $75.00. SALE PRICE: $69.95. Notify Me. 1. 2. At Right to Bear Arms and Supply, we sell the highest quality nickel boron AR15 parts and nickel Teflon coated gun parts. Nickel boron and nickel Teflon, also known as NiB-X coating and NP3 coating, are used to provide gun parts with a ...

Products. Our carriers come with a variety of options and are all manufactured to customer print and specifications within our facility in Marion, North Carolina. Toolcraft has the ability to offer a wide variety of calibers and styles of BCG's. If you prefer to apply a special coating, we can machine your order to the specifications that are ...

3 PACK | 7.62x39 AR15 Bolt Completion Kit - Enhanced Firing Pin. No AR15 build is complete without a high-grade Nickel Boron bolt carrier group - BCG . Right to Bear Arms and Supply proudly sells these core components from top-of-the-line brand names, including Anderson Manufacturing, Rock River Arms, Spike's Tactical and WMD Guns.

If you are looking for a bolt carrier group for sale, Surplus Ammo has what you need. Shop with us and get the best bolt carrier group on the market today! Toggle menu. ... SAA AR-15/M16 - BCG MPI -Complete NICKEL BORON -3-Flat - .223/5.56/300AAC Complete Bolt Carrier Group. $179.99 $84.99. Add to Cart Compare. SALE.

Nickel Boron Diamond Like Carbon (DLC) Titanium Nitride Robar NP3+ Conclusions Hard Chrome Above: Colt BCG refinished with …

Made in the U.S.A. NiB-X Nickel Boron trigger group. NiB-X coating for extreme durability, performance and reliability. Nitromet (Melonite) parts for corrosion resistance and true black appearance. Fits all Mil-Spec AR-15 / M16 lower receivers. Does not come with pistol grip.

Bolt Carrier Group- Lightweight Nickel Boron $ 250.00. ION Bonded Gas Rings $ 9.95.308 BCG Spikes Tactical-Nickel Boron $ 299.00. Bolt Carrier Group- Nickel Boron $ 225.00. 5.56 Extractor Kit $ 4.95. 5.56 Bolt Spikes HPT/MPI Bolt Assembly – Phosphate $ 89.95. 5.56 Bolt Spikes HPT/MPI Bolt Assembly – Nickel Boron Finish

The Toolcraft 5.56x45/.223/.300BO M16 Profile MPI Inspected Bolt Carrier Groups features a Nickel Boron coating, 8620 Steel Bolt Carrier, 9310 Steel Bolt, Mil-Spec chromed firing pins, Mil-Spec gas keys with Grade-8 …

AR15 Complete Bolt Carrier Group - Nickel Boron. Our Price: $130.00. Quantity: We currently have 15 available. Please view details for more information. Black Rain Ordnance .308 AR Complete Bolt Carrier Group -Nickel Boron Coated NIB Finish. Our Price: $310.00. Quantity: We currently have 1 available. ...

NBS Lightweight .223/5.56 Bolt Carrier Group – Nickel Boron. Save 18% MSRP: $ 169.95 $ 139.95. Add to Wishlist + Dirty Industries 9mm Bolt Carrier Group. Save 10% MSRP: $ 139.95 $ 125.95. Add to Wishlist + Toolcraft .223/5.56/300 BLK M16 Profile Bolt Carrier Group – Nickel Boron. Save 16% MSRP: $ 154.95 – $ 159.95.

Posted January 30, 2017. Nickel Boron (NiB) is a slicker surface that the phosphate-coated bolt carriers. They will generally run a bit smoother, require less lube, and clean up easier. Another option is the Nitride-treated bolt carriers. Personally, I have a few NiB BCGs and I like them.

Mercury Precision LR-308 Complete Bolt Carrier Assembly Nickel Boron Finish - .243 WIN. $177.99 $114.99 Sale. Out of Stock. Add To Cart. Quick View. Recoil Technologies 9mm AR-15 Firing Pin - Titanium. $19 ... Tactical Solutions Group AR-15 5.56/.223/.300/.350 Side Charging Bolt Carrier Group + Knurled Threaded Side Charging Handle for Tactical ...

Nickel Boron Finish Details 5 reviews 1 question $239.99 – $259.99 RA-1010 Low-Mass Bolt Carrier Group Black Nitride Finish or Nickel Boron Details 2 reviews 2 questions …

Battle Arms Development Titanium AR-15 Bolt Carrier Group. Only $ 385.00. View Product. 6mm ARC shares the same case head dimensions with 6.5 Grendel, allowing the same bolt carrier to be used for either caliber. These BCGs are high-quality and will work in your new precision rifle build.