Item #:SU556
$0.34 per piece
Shipping: One flat fee of $12.95 per online order.
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Availability: Out of stock
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Volume Discounts:
Rounds Units Savings Price per Unit Total Price
100 1 <none> $33.99 $33.99
500 5 Save 5% $32.29 $161.45
1000 10 Save 10% $30.59 $305.91
2000 20 Save 13% $29.57 $591.43
Due to the packaging and shipping process, case necks are often slightly dinged or bent and need to be rounded up and sized to give proper neck tension. New and/or fired cases must be full-length resized or have the expander ball of the sizing die run through the case neck prior to loading.
Read 10 Reviews

Product Information

#3440 - 5.56x45mm Brass (Small Rifle primer)

The 5.56x45mm NATO is the military version of the .223 Remington, which is one of the most widely used centerfire cartridges today. Starline’s 5.56x45mm brass is identical to Starline’s .223 Remington brass except for a slight change in the metallurgy making it harder at the base of the case.

When loaded at .223 Remington pressures, Starline's .223 brass is safe to use in any firearm chambered for .223 or 5.56x45mm. If loaded to 5.56 pressures, you need to use firearms labeled for use with 5.56mm. It can be unsafe to fire 5.56mm ammunition in firearms with a .223 Remington chamber.

This Starline Brass is bagged at Graf & Sons. This is not loaded ammunition.

Read 10 Reviews - Average Rating: 5 stars

Starline 223 brass

By Richard P. on Jan 26, 2023
Have used Starline brass for decades. Quality has been excellent without exception. Have been a customer of Graf for years without a single problem.

Good Stuff

By Cory S. on Jan 18, 2023
Very good quality for a great price!!

Very nice brass

By Scott H. on Dec 16, 2022
Star line has impressed me again with beautiful brass. Can’t wait to load some 5.56 varmint ammo with it.

Would buy again

By John K. on Sep 27, 2022
Very nice brass, I would definitely buy this again

Super quality!

By Wendel S. on Aug 05, 2022
Very consistent dimensions, use them when possible!

Great stuff

By Brad F. on Jul 23, 2022
I would and have bought numerous times. Very durable brass. I have yet to have a complaint about quality from Starline.

Brass I would buy again

By Arthur W. on Jul 22, 2022
Starline brass is good quality. Dimensionally consistent. Will buy again.

Works Great in an AR-15

By Quinton E. on Nov 28, 2020
Starline makes very high quality brass at a great price. I am on my 5th reload with the 5.56x45 brass shooting it through an AR-15. So far it is holding up well.

Starline does it right

By Casidy C. on Jun 03, 2020
I have been using Starline brass for a while now and I have no complaints. If you're looking for consistent brass at a awesome price you cannot beat the products this company produces! From 5.56mm to 6.5 Creedmoor and 308 Win match and 9mm, you won't be let down. Consistent neck thickness, brass hardness, and internal volume make this brass on the same level as products that cost twice as much it more!

Good brass for the money

By Mark K. on Oct 11, 2019
Good brass for the money. You cannot go wrong with Starline Brass. Durable for reload after reload.
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