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AR-15 RELIABILITY ENHANCEMENT BOLT CARRIER GROUP ONLY
Reliability Enhanced Bolt Carrier Group 5.56mm
Reliability Enhanced Bolt Carrier Group 5.56mm
Reliability Enhanced Bolt Carrier Group 5.56mm
Reliability Enhanced Bolt Carrier Group 5.56mm
AR-15 RELIABILITY ENHANCEMENT BOLT CARRIER GROUP ONLY
Reliability Enhanced Bolt Carrier Group 5.56mm
Reliability Enhanced Bolt Carrier Group 5.56mm
Reliability Enhanced Bolt Carrier Group 5.56mm
Reliability Enhanced Bolt Carrier Group 5.56mm
None
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GEISSELE AUTOMATICS LLC - Reliability Enhanced Bolt Carrier Group 5.56mm

4 Reviews
Reliability Enhanced Bolt Carrier Group 5.56mm
Brownells #
430111984
MFR #
05-2993
UPC
810081134996
$393.00
Coupon Code
Purchase Limit Help

Out of Stock

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Specifications
Item Weight (lbs):
0.500
Carrier Type:
AR-15
Action Length:
Short
Make Model Fit:
AR-15.Universal
Color:
Black
Cartridge:
5.56x45 NATO
Item Width (Inches):
0.700
Finish:
Matte
Magazine Quantity:
0
Item Height (Inches):
1.300
Quantity:
1
Item Length (Inches):
7.400
Restriction
Restricted Part:
Yes
View US State Restrictions
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What is the GEISSELE AUTOMATICS LLC - Reliability Enhanced Bolt Carrier Group 5.56mm?
The Reliability Enhanced Bolt Carrier Group is a 5.56mm full-mass, full-auto rated M16/M4 bolt carrier group manufactured in Geissele’s® state-of-the-art manufacturing facility in North Wales, PA. The carrier features a properly torqued and staked, Chrome Lined, Nano coated, gas key. The cam pin is machined from an advanced tool steel also used to produce medical instrumentation known as H13, it is then coated with Nanoweapon (Chrome-Nitride) for maximum corrosion and wear resistance. The extended upper rails on the carrier also provide much greater stability and dramatically increase feeding reliability. The Carrier is coated with Nanoweapon for maximum corrosion and wear resistance.

The Geissele® Stressproof Bolt is made from Carpenter 158, however this is not your typical material spec’d by the US Government. Since Geissele® wanted to take it to the next level, our engineers worked directly with the Carpenter Steel metallurgists in Reading PA, to produce a special type of material known as Carpenter 158+. This material is cleaner with less impurities, ultimately making it stronger and more consistent. Geissele® did not stop there, they decided to forge the bolt. Using the same process used to produce upper and lower receivers, a forged bolt manipulates the grain structure of the metal and yields a bolt capable of 5 times the life of a mil-spec bolt. Each bolt is then rigorously inspected, high pressure tested, mag particle inspected and coated with Nanoweapon for maximum corrosion and wear resistance.

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AR-15 RELIABILITY ENHANCEMENT BOLT CARRIER GROUP ONLY REVIEWS

4.5
4 Reviews
5 Stars
75%
4 Stars
0%
3 Stars
25%
2 Stars
0%
1 Stars
0%
5
Top Dog BCG, well worth the $$
I have noticed 3 things that have increased with this BCG: Performance, Reliability & Ease of Maintenance… Yes it is costly but it delivers, nothing worse than paying hard earned $$ for something and it falls short! So far, this is an Impressive BCG, and it takes a lot for me to say that… This BCG just runs smooth with minimal lube, and is easy to clean… Zero malfunctions as well! With just over 3,000 rounds down range on my 3-gun rifle… After this season of 3-Gun, the real result will be in & I will follow up on my reviews! Of the 3 Daniel Defense 5.56 rifles now outfitted: 1-Competition 3-Gun and 2 others, work. I know only having 3,000 rounds down isn’t much of a test but so far this BCG exceeds my expectations in all 3 areas. The 2 work rifles have similar rounds down range but I am only comparing the 3-gun setup BCG as it gets a whole lot more abuse during competitions! And I might mention that I do let students shoot that rifle, which is a completely different set of abuse! Performance: the “Lubricity” of this sure seems to make the BCG run smoother & quicker; it feels very crisp upon lockup… The “recoil-pulse” is very readable, the lockup just a little quicker and crisper… Reliability: I will be comparing this Geissele BCG to my Daniel Defense BCG on all of my setups. Over the last 10 years in my Daniel Defense 3-Gun comp rifle alone, I have easily put over 20,000 rounds downrange on one single DD BCG. The DD BCG is finally showing some wear this year on the lock-up lugs, the cam-pin was replaced a few years back having a little bit of wear as well. I find that as “wear scars” present themselves they accelerate wear if not replaced quickly, which can easily bleed over to other parts. Maintenance/Cleaning: Not much sticks to this new BCG and I run suppressed most of the time as well which should make for a much dirtier bolt! The coating on this bolt definitely shows cleaner running, along with using a good high quality Synthetic Lube, which has a higher flash point making this type of lube run much cleaner when exposed to higher temperatures. I am used to running DD BCG's which definitely does require a bit more lube to run well... this new BCG runs with minimal lube! (I used the synthetic lube on both BCG) I may also note that I do run decent ammo, not always Match Grade unless called for but decent ammo. Also, over the last 40+ years working as a contractor, then retiring one career to become a professional trainer… I have noticed using the "same" decent brand ammo… gives your brain the proper predictable result, which increases training effectiveness on different engagements all due to consistency. Anyways before I get to dang Windy this is by far the best Higher End BCG I have ever used, it runs clean, requires minimal lube, and is simply consistent! Well worth the money if this is part of your “Life-Support” Equipment!
5
This is the one!
I have tried them all... JP enterprises, BCM, Spikes, Sionics, Robar, Toolcraft DLC, etc. Bill Geissele's attention to every component in this bolt carrier group is unequaled. His own destructive testing showed that forging the bolt with improved Capenter 158 plus resulted in 5 times the life of a milspec bolt. Now this means my bolt should last as long as my FN CHF M249 spec'd barrels. Others have made claims about 9310 or different coatings, but Geissele proves out his claims and delivers the goods. Geissele High Reliability BCG's are going in all my AR's going forward.
5
Great BCG
I replaced my DD BCG with this one in my SBR I usually run suppressed. Ran like a champ no issues. After a long day shooting, it was much cleaner than normal and cleaning was a breeze it wiped clean no scrubbing. Highly recommend this BCG.
3
Dimensionally good, but poor finish
The important dimensions mic and gauge right on spec, Geissele's machining is top notch. The finish on the unit I received was missing in several places, most prominently on the bevel of the carrier nose. I contacted Geissele support directly, asking if this blemish was an indication that the entire coating was incorrectly applied. Customer support replied saying they would ask a tech, and I haven't heard anything in the several weeks since.
Customer Questions
0 Questions