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5.56 Rifles for Sale Online

When customization, accuracy, and power are the top priorities, 5.56 guns have you covered. 5.56mm rifles were designed to use high velocity, powerful 5.56 millimeter rounds, which has made them a favorite among the U.S. military and NATO forces. For shooters who prefer .223 caliber rounds, many of the 5.56 rifles sold by DeGuns.net fire those as well. These 5.56/.223 rifles may not be quite as powerful as AK47s, but they are known for their extreme accuracy.

But the versatility doesn’t stop there. 556 guns can be configured into a one-of-a-kind firearm that’s outfitted to your exact needs and specifications. Choose one our 556 rifles and then have fun customizing it into your 556 rifle with a variety of:

5.56mm rifles are ideal in situations where having to reload could be a serious hindrance. That’s why it’s the semi-automatic of choice for gun enthusiasts who need a firearm for hunting, home defense, sport shooting and more.

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Anderson Rifles AM15 Optic Ready 5.56 NATO/.223 Rem 30+1 16" Semi-Auto AR-15 Rifle
Our Price: $599.99
Deal of the Day Price: $489.99
Savings: $110.00
203 in stock!
Windham Weaponry HBC AR-15, Semi-Automatic, 5.56x45mm/.223 Remington, 16" Barrel, 30+1 Rounds R16A4T
Our Price: $934.43
Deal of the Day Price: $733.99
Savings: $200.44
200 in stock!
Adams Arms Agency 5.56 NATO/.223 Rem 16" Free-Float Piston Driven AR-15 Style Rifle FGAA00115A 812151021342 Adams Arms Agency 5.56 NATO/.223 Rem 16" Free-Float Piston Driven AR-15 Style Rifle
Our Price: $994.00
Deal of the Day Price: $649.99
Savings: $344.01
197 in stock!
Windham Weaponry SRC 5.56 NATO/.223 Rem 16" 30+1 Optics Ready AR-15 Rifle
Our Price: $1,040.00
Deal of the Day Price: $698.99
Savings: $341.01
185 in stock!
Stag Arms Model 2 5.56x45mm NATO/.223 Rem 16" AR-15 Rifle with Flip-Up Rear Sight
Our Price: $958.89
Deal of the Day Price: $759.99
Savings: $198.90
179 in stock!
Windham Weaponry MPC 5.56 NATO/.223 Rem 16" M4A4 Style AR-15 Rifle with Detatchable Carry Handle
Our Price: $1,086.00
Deal of the Day Price: $747.99
Savings: $338.01
179 in stock!
Stag Arms Model 1 5.56x45mm NATO/.223 Rem 16" AR-15 Style Rifle
Our Price: $869.99
Sale Price: $769.99
Savings: $100.00
135 in stock!
DPMS Panther Oracle 223 5.56 Flat Top Optic Ready 16" Carbine AR 15 AR-15 California-Compliant CA MODEL DPMS Panther Oracle 5.56 NATO/.223 Rem 16" AR-15 Semi-Auto Rifle California Compliant
Our Price: $649.99
Sale Price: $488.99
Savings: $161.00
132 in stock!
Sig Sauer RM400 5.56 NATO/.223 Rem 16" Optics Ready Semi-Auto AR-15 Rifle
Our Price: $1,054.00
Sale Price: $869.99
Savings: $184.01
87 in stock!
Bushmaster XM15 5.56 NATO/.223 Rem 30+1 16" AR-15 Style Rifle with Black Magpul Grip, Stock, Handguard
Our Price: $1,099.00
Sale Price: $819.99
Savings: $279.01
84 in stock!
Sig Sauer M400  Enhanced Carbine RM400-16B-ECP 5.56 AR 15 Sig Sauer M400 Enhanced Carbine 5.56 NATO/.223 Rem 16" 30+1 AR-15 Rifle
Our Price: $1,413.00
Deal of the Day Price: $1,199.99
Savings: $213.01
70 in stock!
DPMS Panther Oracle 223 5.56 Flat Top Optic Ready 16" Carbine AR 15 AR-15 DPMS Panther Oracle 5.56 NATO/.223 Rem 16" AR-15 Semi-Auto Rifle
Our Price: $649.99
Sale Price: $468.88
Savings: $181.11
69 in stock!
Smith and Wesson M&P15 Sport II 5.56 NATO/.223 Rem 10+1 New Jersey Compliant 16" Semi-Auto Rifle 10203 022188868111 Smith and Wesson M&P15 Sport II 5.56 NATO/.223 Rem 10+1 New Jersey Compliant 16" Semi-Auto Rifle
Our Price: $629.99
Sale Price: $579.99
Savings: $50.00
67 in stock!
Stag Arms Model 3 5.56x45mm NATO/.223 Rem 16" Optics Ready AR-15 Rifle
Our Price: $918.95
Sale Price: $698.99
Savings: $219.96
67 in stock!
Sig Sauer Sig516 Patrol 5.56 NATO/.223 Rem 16" Piston-Driven AR-15 Rifle FDE Finish
Our Price: $1,848.00
Deal of the Day Price: $1,579.99
Savings: $268.01
63 in stock!
CZ-USA CZ 805 Bren S1 .223 Rem/5.56 NATO Carbine Black 08520 806703085203 CZ-USA CZ 805 Bren S1 .223 Rem/5.56 NATO Carbine - Black
Our Price: $1,999.00
Sale Price: $1,799.99
Savings: $199.01
61 in stock!
Stag Arms Model 1 5.56x45mm NATO/.223 Rem 16" AR-15 Style Rifle Left Hand
Our Price: $874.99
Sale Price: $787.99
Savings: $87.00
35 in stock!
Windham Weaponry SRC 7.62x39mm Semi Auto Rifle 16" Barrel 30 Rounds R16M4FTT-762
Our Price: $1,056.00
Sale Price: $739.99
Savings: $316.01
32 in stock!
Smith and Wesson Model M&P 15 Sport 5.56mm AR For Sale Smith & Wesson, S&W Model M&P 15 Sport II with Forward Assist & Dust Cover 5.56mm 16" Barrel
Our Price: $739.00
Sale Price: $599.99
Savings: $139.01
28 in stock!
IWI Tavor X95 Flattop XB16 5.56 NATO/.223 Rem 16.5" Bullpup Semi-Auto Rifle
Our Price: $1,999.00
Sale Price: $1,749.99
Savings: $249.01
28 in stock!
Daniel Defense M4 Carbine V11 AR15 M4 5.56 Rifle 02-151-12033-047 815604016858 Daniel Defense DDM4 V5 5.56x45mm NATO/.223 Rem AR-15 Style Rifle
Our Price: $1,689.00
Sale Price: $1,605.00
Savings: $84.00
25 in stock!
Stag Arms Model 2 5.56x45mm NATO/.223 Rem 16" AR-15 Rifle with Flip-Up Rear Sight Left Hand
Our Price: $984.99
Sale Price: $779.99
Savings: $205.00
22 in stock!
DPMS Panther TPR (Tactical Precision Rifle) RFA3-TPR 5.56 NATO/.223 Rem 20" Semi-Auto AR-15 Rifle 60546 0884451005360 DPMS Panther TPR (Tactical Precision Rifle) RFA3-TPR 5.56 NATO/.223 Rem 20" Semi-Auto AR-15 Rifle
Our Price: $1,349.00
Deal of the Day Price: $917.99
Savings: $431.01
15 in stock!
Windham Weaponry Frank Proctor Way Of The Gun Performance Carbine AR-15 5.56 NATO Semi Auto Rifle, 16" Barrel 30 Rounds
Our Price: $1,795.00
Deal of the Day Price: $1,298.99
Savings: $496.01
11 in stock!
Sig Sauer M400 5.56 NATO/.223 Rem 30+1 AR-15 16" Rifle
Our Price: $849.99
Sale Price: $779.99
Savings: $70.00
10 in stock!
DPMS Panther Oracle 223 5.56 Flat Top Optic Ready 16" Carbine AR 15 AR-15 DPMS Panther Oracle 5.56 NATO/.223 Rem 16" AR-15 Semi-Auto Rifle 10 Round
Our Price: $649.99
Deal of the Day Price: $499.99
Savings: $150.00
7 in stock!
   
 

556 Rifles In Stock and Ready to Ship

When you order an item online, you expect it to ship quick. But what if it’s not in stock? This is a common problem for gun owners today. While other suppliers struggle to meet the demands of customers, DeGuns is proud to say that our inventory of 5.56 rifles is well stocked and ready to ship.

We’ll get your order and payment processed fast so your 5.56mm rifle gets shipped out quick - right to your door. If you’re interested in customizing your new gun, take a look at the accessories section for affordable add-ons that are also guaranteed to be in stock.