The 5.56 NATO caliber cartridge is the mil-spec standard for the AR-15 platform, chambered to safely run both 5.56 NATO and .223 Remington loads. At Daytona Tactical, we carry a full range of 5.56 NATO barrels, BCGs, uppers, and accessories from trusted brands. Browse our in-stock 5.56 NATO selection at competitive prices, ready to ship fast across the USA.
5.56 NATO
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20″ 5.56 NATO AR-15 Complete Upper – 15″ M-LOK, 1:8 Twist – Black
Original price was: $329.00.$269.95Current price is: $269.95. -
7.5″ AR Upper 7 inch M-LOK Rail No BCG or Charging Handle
Original price was: $389.95.$195.95Current price is: $195.95. -
16″ 1×7 Carbine 15 inch M-LOK Rail No BCG or Charging Handle
Original price was: $389.95.$194.95Current price is: $194.95. -
16″ 1×7 Carbine 12 inch M-LOK Rail No BCG or Charging Handle
Original price was: $389.95.$194.95Current price is: $194.95. -
10.5″ AR Upper 10 inch M-LOK Rail No BCG or Charging Handle
Original price was: $389.95.$199.95Current price is: $199.95. -
AR-15 Magpul Rifle Kit 1 x 8 Upper Assembled without 80% Lower
Original price was: $529.95.$404.95Current price is: $404.95. -
10.5″ 5.56 Pistol Upper Moe Handguard A2 Sight Base – OD Green
Original price was: $329.00.$259.95Current price is: $259.95. -
10.5″ 5.56 Pistol Upper Moe Handguard A2 Sight Base – FDE
Original price was: $329.00.$259.95Current price is: $259.95. -
AR15 Magpul Rifle Kit A2 Sight Tower Assembled NO 80% Lower
Original price was: $459.95.$436.95Current price is: $436.95. -
Anderson 10.5″ Government Profile NATO Barrel
Original price was: $149.95.$47.95Current price is: $47.95. -
Anderson 14.5″ Nitride Mid-Length Government Profile NATO Barrel
Original price was: $149.95.$59.95Current price is: $59.95. -
Stainless Steel Compensator Flash Suppressor with Stainless Crush Washer
Original price was: $54.95.$44.95Current price is: $44.95. -
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PSA 16″ 5.56 NATO Freedom Rifle Kit – Classic Grey
Original price was: $429.99.$279.95Current price is: $279.95. -
Rosco Manufacturing 5.56 Barrel Mid-length – 16″
Original price was: $149.95.$99.95Current price is: $99.95. -
Tungsten Grey 16″ Rifle Kit 5.56 with 15″ Keymod with Lower
Original price was: $559.00.$499.95Current price is: $499.95. -
16″ AR-15 Rifle Kit – 15″ Slim Keymod & 80% Lower Receiver, Titanium Blue
Original price was: $559.00.$499.95Current price is: $499.95. -
16″ AR-15 Rifle Kit with 15″ Slim Keymod with 80% Lower Receiver – Burnt Bronze
Original price was: $559.00.$499.95Current price is: $499.95. -
Purple 16″ Rifle Kit 5.56 with Lower 15″ Keymod Handguard
Original price was: $559.00.$499.95Current price is: $499.95. -
Rugged Suppressors Flash Hider Front Cap, 5.56 NATO
Original price was: $102.00.$80.00Current price is: $80.00. -
Ballistic Advantage Modern Series 5.56 NATO 16″ HBAR Barrel, Chrome Lined, Phosphate Finish, Black, AR-15
Original price was: $185.00.$175.75Current price is: $175.75.
