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5.56mm Nato Centerfire Rifle Ammunition

Also see 223 Remington Click Here

The 5.56mm Nato cartridge was primarily designed for military use in rifle such as M-16's and AR-15's.  Shooters should be aware of the difference between .223 Remington and 5.56mm Nato ammunition.  Although the physical dimensions of the cartridge case are the same and it is possible to fire either cartridge in the same gun, there is a deference in the design pressure, chamber and throat of the 2 different chambering.  It is safe to fire .223 Rem in any 5.56mm Nato gun but you can run in to trouble shooting 5.56mm Nato ammunition in guns designed and chambered for .223 Rem.  The main difference is that the 5.56mm is loaded to higher pressure (More powder) and guns chambered for 5.56mm have a longer throat which allows the bullet to travel farther out of the case before it engages the rifling.  This little difference helps keep the pressure down. The same cartridge fired in a .223 Rem could build up higher pressure in that chamber then the gun was designed for.   Guns chambered for .223 Rem usually have tighter tolerances and generally more accurate.  Guns chambered in 5.56mm generally have looser tolerances with longer throats which generally means less accurate but more reliable for military use.

Generally the standard military 5.56mm Nato M193 cartridge will fire a 55 grain bullet from a 20" barrel at 3,250 FPS while the civilian .223 Rem will average 3.000 FPS with the same 55 Grain bullet.  Also special primers with thicker cups have been designed us used in 5.56mm Nato ammunition to prevent the primers from flattening out when being fired.  Although many hand loaders try to reach 5.56mm with hand loaded ammunition, it is difficult to reach the same performance with the commercial powders available.  The powder used in most military 5.56mm ammunition is WC844 which some times can be found on the surplus market.  If you intend to reload 5.56mm ammunition, it is recommended that you use small rifle magnum primers or primers expressly designed for 5.56mm Nato, now commonly available.

Buy 5.56mm Nato Center fire Rifle Ammunition on sale online at discount prices in our Center fire Rifle Ammunition department.
Please note some pictures were supplied by the manufacturers and are general representation of the product line.

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Home » Ammunition By LG Outdoors » Centerfire Rifle Ammunition » 5.56mm Nato Centerfire Rifle Ammunition

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Federal Cartridge XM193 5.56mm 55 Grain Stripper Clips Ammo Can (Per 420) Md: XM193LC1AC1

Details 

Federal XM193 Ammunition - Caliber: 5.56mm - Grain: 55 - Stripper Clip Ammo Can - Per 420 Rounds....See Details For More Info.
List Price: $245.95
Price: $179.87

Available Qty: 10

Federal Cartridge 5.56mm 55 Grain FMJ Polymer Ammo Can (Per 120) Md: XM193LPC120

Details 

Federal American Eagle Is Loaded With Lake City Brass To Nato specificaiTons. This Ammunition Is a Great Choice For The Shooter lookIng For a Great Affordable Round For Target Shooting, Training And Practice. This Ammunition Is New Production, Non-Corrosive, In Boxer-Primed, reloadable Brass Cases. ....See Details For More Info.
List Price: $69.95
Price: $50.65

Available Qty: 9

Federal Cartridge 5.56mm 62 Grain SC FMJ Ammo Can/420 Md: XM855LC1AC1

Details 

Federal Ammo Can - Caliber: 5.56 Nato - Grain: 62 - Bullet Type: SC FMJ Green Tip - 420 Rounds Per Can (Rounds Come On STipPer Clips)....See Details For More Info.
List Price: $259.99
Price: $180.80

Available Qty: 9

Fiocchi Ammo 5.56mm NATO, 55 Grains, Full Metal Jacket/Boat Tail (FMJ/BT), Per 50

Details 

Fiocchi Munizioni (Fiocchi Ammunition) is one of Italy's largest and oldest munitions manufacturers. The company's headquarters and main production plant are in Via Santa Barbara in Lecco, Italy. Fiocchi manufactures a complete line of ultra premium Rifle, Pistol, and Shotgun ammuntion for the most discerning shooters. Specifications: - Caliber: 5.56 NATO - Bullet Type: Full Metal Jacket, Boat Tail (FMJBT) - Bullet Weight: 55 Grains - Rounds: 50 Rounds per Box - Muzzle Velocity: 3240
List Price: $28.00
Price: $19.41

Available Qty: 9

Hornady 5.56 Nato 75 Grain BTHP Superformance-Match /20 Md: 81264 Ammunition

Details 

Hornady Ammunition - Caliber: 5.56 Nato - Grain: 75 - Bullet: Boattail Hollow Point SuPerFormance Match - Muzzle Velocity: 2920 Fps - Match - Per 20....See Details For More Info.
List Price: $28.40
Price: $17.52

Available Qty: 35

5.56 Nato By Hornady 55 Grain GMX Superformance /20 Md: 81254

Details 

Hornady SuPerFormance Ammunition - Caliber: 5.56 Nato - Grain: 55 - Bullet: GMX - 20 Rounds Per Box....See Details For More Info.
List Price: $31.76
Price: $19.59

Available Qty: 6

Hornady 5.56 NATO Black Ammunition, 62 Grains, Full Metal Jacket, Per 20 Md: 81263

Details 

Hornady BLACK ammunition features versatile loads optimized for excellent performance from America’s favorite guns. Loaded with legendary Hornady bullets, Hornady BLACK ammunition is designed to fit, feed and function in a variety of platforms. Direct impingement, gas piston, suppressed, unsuppressed, inertia, bolt, pump, supersonic, subsonic, rifle, mid-length, carbine or pistol – Hornady BLACK ammunition delivers superior performance for a variety of applications. Features: - High Qualit
List Price: $20.90
Price: $11.28

Available Qty: 13

Hornady 5.56x45mm NATO Frontier Cartridge Military Grade, 75gr, Boat Tail Hollow Point Match, Per 20 Md: FR320

Details 

American made and military grade are the hallmarks of Frontier Cartridge. Frontier Cartridge features Hornady bullets in 223 Rem and 5.56 NATO. Applications range from plinking, target shooting and hunting to law enforcement training and self-defense. Features: - Consistency in Every Cartridge: State-of-the-industry loading techniques and quality control procedures ensure the reliability of every Frontier Cartridge round. - Rounds For All Applications: Frontier Cartridge offers ammuni
List Price: $19.00
Price: $10.25

Available Qty: 18

Hornady 5.56x45mm NATO Frontier Cartridge Military Grade, 55 Grains, Hollow Point Match, Per 20 Md: FR240

Details 

American made and military grade are the hallmarks of Frontier Cartridge. Frontier Cartridge features Hornady bullets in 223 Rem and 5.56 NATO. Applications range from plinking, target shooting and hunting to law enforcement training and self-defense. Features: - Consistency in Every Cartridge: State-of-the-industry loading techniques and quality control procedures ensure the reliability of every Frontier Cartridge round. - Rounds For All Applications: Frontier Cartridge offers ammuni
List Price: $15.20
Price: $8.20

Available Qty: 25

Nosler Silver State Armory Ammunition 5.56X45mm Nato, 63 Grains, Soft Point Spitzer, Per 20 Md: 75005

Details 

Ssa Ammunition By Nosler Is tuned Specifically For Use In Semi-Automatic Firearms. Loaded To pressures That Reliably Cycle Semi-Auto’S For Maximum Dependability, Ssa Ammunition Is Now exclusively Loaded Up Front With Nosler Bullets For unparalleled Down Range Performance. Whether Shooting On The Range, In The Field, Law Enforcement Or Defense, operators Depend On Their Ammunition To Function as Designed With Every Trigger Pull. Ssa Ammunition Was Created, Designed And Assembled With This In Min
List Price: $29.20
Price: $17.26

Available Qty: 38

Aguila 5.56X45mm FMJ Boat Tail 62 Grain 50 Rounds Per Box

Details 

Never Run Dry! Keep Your Ammo cans Well-stocked With Aguila® Remington® .223 5.56X45mm 62 Grain FMJBT Rifle Ammo. Reliable And Affordable, guaranteed To Go "Bang!
List Price: $27.95
Price: $17.79

Available Qty: 547

FRONTIER CART 5.56 55GR HP 20/BX

Details 

FRONTIER CART 5.56 55GR HP 20/BX
List Price: $23.95
Price: $17.40

Available Qty: 20

Winchester Match Grade 5.56 Ammo 77 Grain Boat Tail Hollow Point 20 Rounds Per Box

Details 

If You Are lookIng To Prove Your Rifle Has What It Takes To Win competItions Then You Need To Feed It a Steady Diet Of Match Grade Ammo. IntroducIng Winchester Match Competitive Target Loads. These Loads Are Designed With a Match Style Boat Tail Hollow Point Bullet That Weighs In at 77 graIns. Winchester Match Is Pressured To 5.56mm Nato, So Please Ensure Your Rifle Is Rated For The Extra Pressure geneRated By This Round. If Your after Long Range Accuracy, Shot after Shot, Then Trust Winchester
List Price: $35.95
Price: $27.47

Available Qty: 10

Aguila 5.56X45 Ammo 62 Grain FMJBT 50 Rounds 1E5.56110

Details 

Aguila Offers High-Quality rounds That Cycle flawlessly With Remarkable Consistency In Both Velocity And Accuracy. The Use Of Non-Corr Priming Means Reliable Ignition In Any Weather Condition. Great For Just Target Practice Or Hunting, This Is Some Of The Best Ammo Available.
List Price: $23.95
Price: $17.05

Available Qty: 1000

Barnes Bullets VOR-TX 5.56x45mm NATO 62 Grain TSX Boat Tail Ammunition, 20 Rounds Per Box Md: 31190

Details 

Barnes VOR-TX is precision ammunition loaded with TSX, Tipped TSX or TSX FN bullets to offer double-diameter expansion, maximum weight retention and excellent accuracy. The TSX bullets provide maximum tissue and bone destruction, pass-through penetration and devastating energy transfer. Multiple grooves in the bullet's shank reduce pressure and improve accuracy. Bullets open instantly on contact - no other bullet expands as quickly. Nose peels back into four sharp-edged copper petals destroying
List Price: $23.95
Price: $18.92

Available Qty: 380

Barnes Bullets Precision Match 5.56X45mm, 69 Grain Open Tip Match BT Ammunition, 20 Per Box

Details 

Barnes Bullets Precision Match 5.56X45mm, 69 Grain Open Tip Match BT Ammunition, 20 Per Box Manufacturer: Barnes Bullets Mfg Number: 30846
List Price: $26.95
Price: $22.45

Available Qty: 29

Barnes Bullets Precision Match 5.56X45mm, 85 Grain Open Tip Match BT Ammunition, 20 Per Box

Details 

BrNS 30848 5.56 85 OMT BT 20/10 Manufacturer: Barnes Bullets Mfg Number: 30848
List Price: $27.95
Price: $22.45

Available Qty: 167

Barnes Bullets Range AR 5.56X45mm 52 Grain Open Tip Flat Base Ammunition, 20 Per Box

Details 

Barnes Bullets Range AR 5.56X45mm 52 Grain Open Tip Flat Base Ammunition, 20 Per BoxManufacturer: Barnes Bullets Mfg Number: 30844
List Price: $19.95
Price: $14.96

Available Qty: 52

BBM Tactical 223 Remington/5.56 NATO 55 Grains Full Metal Jacket BT Ammunition, 20 Rounds Per Box Md: 223FM55ZA

Details 

The 223 Tactical Carbine is non-corrosive, military-grade ammo that has a velocity of 3190 fps along with 1247 ft lbs of energy. Great for performance and protection and made with reloadable brass….See More Details
List Price: $10.95
Price: $7.42

Available Qty: 432

BBM Target Battlepack 5.56 NATO 55 Grain Full Metal Jacket Boat Tail 200 Total Rounds (Case Price)

Details 

The 5.56x45mm battlepack is a 200 round pack of 5.56x45mm ammo. This military-grade ammo has a velocity of 3166 feet per second along with 1247 foot pounds of energy. Great for performance and protection, and made with reloadable brass.
List Price: $93.95
Price: $76.56

Available Qty: 142

Buffalo Bore S22355 Rifle 5.56 Nato Ballistic Silvertip 55 Grain 20 Rds Box Ammunition

Details 

Buffalo Bore offers Sniper Ammo In 223 Remington And 308 Winchester. They Are Available In Ballistic Tip And Boat Tail Hollow Point. The 223 Remington Is Available In 55 Gr., 69 Gr., And 77 Gr. And The 308 Winchester Is Available In 175 Gr.. This Is Field proven Rifle Ammo For Maximum Firepower.
List Price: $33.95
Price: $25.39

Available Qty: 15

Buffalo Bore Ammunition S22369 Rifle 5.56 Nato BTHP 69 Grain 20 Rds Per Box

Details 

Buffalo Bore offers Sniper Ammo In 223 Remington And 308 Winchester. They Are Available In Ballistic Tip And Boat Tail Hollow Point. The 223 Remington Is Available In 55 Gr., 69 Gr., And 77 Gr. And The 308 Winchester Is Available In 175 Gr.. This Is Field proven Rifle Ammo For Maximum Firepower.
List Price: $33.95
Price: $25.39

Available Qty: 7

Buffalo Bore Ammunition S22377 Rifle 5.56 Nato BTHP 77 Grain 20 Rds Per Box

Details 

Buffalo Bore offers Sniper Ammo In 223 Remington And 308 Winchester. They Are Available In Ballistic Tip And Boat Tail Hollow Point. The 223 Remington Is Available In 55 Gr., 69 Gr., And 77 Gr. And The 308 Winchester Is Available In 175 Gr.. This Is Field proven Rifle Ammo For Maximum Firepower.
List Price: $33.95
Price: $25.39

Available Qty: 21

Colt Ammo Defense 223 Rem/5.56 NATO 64 Grain BTHP Ammunition, 20 Rounds Per Box Md: 223R62CT

Details 

Colt's Defense ammunition is ideal for personal and home protection. It features a boat tail hollow point bullet and brass casing…See More Details
List Price: $20.95
Price: $16.00

Available Qty: 311

Colt National Match 223 Rem/5.56 NATO 62 Grain Full Metal Jacket Ammunition, 50 Rounds Per Box Md: 223R62FMJCT

Details 

Colt's National Match ammunition is ideal for personal and home protection. It features a full metal jacket match bullet and brass casing…See More Details
List Price: $30.95
Price: $24.58

Available Qty: 821

Federal XM193LCAC1 5.56mm Nato 55 Grain FMJ In Ammo Can 420 Rounds Ammuntion

Details 

This Federal Lake City Ammunition Has Been Loaded And passed True Nato Specifications. This Is The Same Ammunition That Is Currently Being Used By The US Military And Met Their Strict Quality Assurance stAndards And Specifications. Packaged In a New Sealed Mil-Spec reusable Ammo Can With Tamper Evident Seal.
List Price: $210.29
Price: $153.12

Available Qty: 229

Federal Lake City 5.56 55 Grain 600Rd XM193LPC120

Details 

Federal XM193LPC120 M193 5.56 Nato 55Gr 120Box/5Case FMJ Mini Ammo Can This 5.56 Nato Ammo Comes In a reusable Injection Molded Polymer Mini Ammo Can. The Ammo Can contaIns 600 Cartridges And Has a Weight Of 55Gr. It Is Lake City Made Ammunition.
List Price: $309.95
Price: $207.77

Available Qty: 375

Federal XM193 XM 5.56 Nato Boat Tail Metal Case 55 Grain 20 Rounds Ammuntion

Details 

When Your First Shot Must Count- Choose XM223 Federal Ammunition.
List Price: $11.95
Price: $6.60

Available Qty: 1000

Federal American Eagle 5.56 Nato Clipped FMJ 55 Grain 90Box/5Case 450 Rounds Total Lake City XM193

Details 

Federal American Eagle Is Loaded With Lake City Brass To Nato specificaiTons. This Ammunition Is a Great Choice For The Shooter lookIng For a Great Affordable Round For Target Shooting, Training And Practice. Packaged In 10-Round Stripper Clips, 9 Stripper Clips To a Box, For Convenient Storage, Transport And Loading. This Ammunition Is New Production, Non-Corrosive, In Boxer-Primed, reloadable Brass Cases.
List Price: $223.95
Price: $156.60

Available Qty: 641

Federal 5.56 Nato Full Metal Jacket Ball 62 Grain 420 Rounds Ammunition M885 On Stripper Clips In Military Ammo Can

Details 

Federal 5.56 Ammo In a Can 420 Round The Cans Are Packed With 30 Round Boxes Of (3) 10 Shot Strip Clips. This Ammo Is 62 Grain Full Metal Jacket. Shipped In a 30 Caliber Military Ammo Can.
List Price: $227.95
Price: $160.08

Available Qty: 382

Federal 5.56 Nato Metal Case 55 Grain 30 Rounds Per Box On 10 Round Clips

Details 

This Centerfire Rifle Cartridge Choice Is Very Suitable For Precision Practice And An Affordable Option For The Target Board.
List Price: $16.95
Price: $10.75

Available Qty: 387

Hornady 81264 5.56 75 Spf BTHPM Per 20 Ammunition

Details 

It Is Fast, It Is Accurate, It Is Versatile. SuPerformance Match Ammunition achieves Muzzle velocIties Of 100 To 200 Fps Faster Than Any Conventional Ammunition. Amazing Ammunition Performance starts With Outstanding Bullets, And Hornady AMAX And Boattail
List Price: $24.95
Price: $18.50

Available Qty: 1000

Hornady 81263 BLACK 5.56 62 FMJ 20/10

Details 

List Price: $14.95
Price: $11.66

Available Qty: 1000

Hornady Frontier Cartridge 5.56 Nato 75 Gr Boat Tail Hollow Point Match 20 Rounds Ammunition

Details 

List Price: $14.95
Price: $9.86

Available Qty: 23

Nosler 5.56 55 Grain Varmint 20 Rounds 52201

Details 

This Outstanding 5.56mm Ammo Is Designed For Defense Work And Hunting. Featuring Nosler's Best--a Bonded Copper Jacketed Soft Point Bullet, It Has Big Expansion And Deep Penetration. When Tough barriers Are obsticals, This Is The Bullet To Choose.
List Price: $29.95
Price: $26.55

Available Qty: 24

Nos 52207 5.56 60 BGT 20/10

Details 

Nos 52207 5.56 60 BGT 20/10 Manufacturer: Nosler Mfg Number: 52207
List Price: $33.95
Price: $29.89

Available Qty: 10

PMC 5.56X X-Tac 5.56 Nato Full Metal Jacket Boat-Tail 55 Grain 20Box/50Case

Details 

PMC's Exacting Adherence To The Precise specificatiOns Of Military And Law Enforcement organizatiOns assures That X-TAC Ammunition Will Perform perfectly In That Fraction Of a Second When a Serious Threat arIses And Your Life Is On The Line. Self Defense
List Price: $11.95
Price: $6.95

Available Qty: 1000

PMC 5.56K X-Tac 5.56 Nato Lap 62 Grain 20 Per Box

Details 

PMC's Exacting Adherence To The Precise specificatiOns Of Military And Law Enforcement organizatiOns assures That X-TAC Ammunition Will Perform perfectly In That Fraction Of a Second When a Serious Threat arIses And Your Life Is On The Line. Self Defense
List Price: $12.95
Price: $7.74

Available Qty: 131

PMC 5.56XBP Battle Packs Bulk Ammo 5.56mm FMJBT 55 Grain 200Box

Details 

Caliber: 5.56 Nato Bullet Type: Full Metal Jacket Boat Tail Bullet Weight: 55 Gr Muzzle Energy: 1306 ft Lbs Muzzle Velocity: 3270 Fps Rounds Per Box: 200 Rounds Per Box, 5 Application: Target Casing Material: Brass Manufacturer: PMC/POONGSAN Model: 556XBP
List Price: $112.95
Price: $80.40

Available Qty: 67

223 Remington 55 Grain FMJ TULA Ammunition Md: Ta223550

Details 

223 Remington/5.56 Nato 55 Gr FMJ TULA Ammunition
List Price: $7.95
Price: $4.95

Available Qty: 1000

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