- M16 8620 Tool Steel Carrier
- MA Shield Logo Laser Engraved
- 9310 Steel Bolt (These Bolts are Manufactured & Heat Treated Correctly.
- Heat Treated
- Shot Peened
- HPT Bolt – High Pressure Tested
- MPI Bolt – Magnetic Particle Inspected
- S7 Tool Steel Extractor
- Sprinco 5-Coil HD Extractor Spring
- Sprinco Ejector Spring
- 8620 Gas Key Hardened to USGI Specifications
- OCKS (Optimized Carrier Key Screws) Fasteners
- Key Staked Per Mil-Spec using 620 Loctite
- 17-4 Stainless Firing Pin
- 8620 Cam Pin with directional arrow lasered on
- Machined to USGI Specifications
- H&M Black Nitride finish
- Bolt Comes Pre-Lubed with Cherrybalmz BRB
- FREE GAS RINGS FOR LIFE
products
Reliability without breaking the bank, that's our motto. Dirty Bird is your trusted distributor of the best firearms wholesale and discount parts on the market. Give us a shot, you won't be disappointed.
service
We're focused on doing business in a way that earns us life-long customers. We have a highly positive rating from our customers. Trust Pilot - 4.8 Stars and Google Reviews 4.7 Stars
and operated
There is a reason people like shopping with Family owned and operated companies: Because the people running it have skin in the game, our reputation is on the line. We know that our only job is serving our customers, that means quality products, great prices and attentive service.
guarantee
We offer a Low Price Guarantee to beat any competitor's in-stock item price from an authorized reseller, considering all costs including shipping and taxes. Exclusion apply.
Guarantee
Our return policy is simple, if you're not 100% satisfied with your purchase send it back to us within 45 days for a full refund. Install it, test it out. If it doesn't perform to your liking, we'll take it back.



