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5.56mm Ammunition

Also known as: 5.56, 5.56x45, 5.56x45mm, 5.56 mm NATO, 5.56mm NATO, 5.56 NATO, 5.56 mm NATO, 5.56 mm NATO, 5.56x45mm NATO, 5.56x45mm NAT, 5.56 mm, 223 Caliber / 5.56mm, .556, 5.56mm "Factory Seconds", 556, 5.56 x45mm

The 5.56x55mm NATO was developed in the United States for use in the M16 rifle. It is a standard issue cartridge for NATO officers and is similar to the .223 Remington. During the Gulf War, there were repeated complaints that the 5.56 mm offered subpar performance on the first-shot kill rate. While it doesn’t have the best stopping power, it is still highly damaging because of post impact damage to soft tissue. Experts say that shot placement is the deciding factor on whether the 5.56c55mm will be lethal on the first shot.

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Brand Bullet type Grains Casing QTY Order by quantity In stock? Order by stock availability Price Order by price Price per round Order by price per round Store

5.56x45 - 75 Grain BTHP Match - Hornady Frontier - 20 Rounds

 		HP-BT 75.0 brass 20 $19.00 $0.95 Lucky Gunner
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5.56x45 - 62 Grain FMJ - IMI M855 - 1200 Rounds

 		FMJ 62.0 brass 1200 $750.00 $0.62 Lucky Gunner
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PMC X-Tac 5.56x45 NATO, 62gr, LAP, 20rd Box

 		N/A 62.0 N/A 20 $14.99 $0.75 Impact Guns
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5.56 mm NATO Brownells X-Tac 5.56 Nato Ammo With Romeo5 Compact Red Dot Sight - 5.56mm Nato 55gr Fmj 200rds W/Romeo5 Red Dot Sight (105-000-960)

 		FMJ 55.0 N/A 200 $299.99 $1.50 Brownells
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5.56 mm NATO Winchester Usa 5.56mm Nato Ammo - 5.56mm Nato 55gr Full Metal Jacket 20/Box (105-004-035)

 		FMJ 55.0 N/A 20 $15.49 $0.77 Brownells
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5.56 mm NATO Brownells X-Tac 5.56 Nato 62gr Penetrator Fmj 1000rd Case With 10x Pmags - 1000rd X-Tac 5.56 Nato 62gr Fmj With 10x 30-Round Pmags (100-042-529)

 		FMJ 62.0 N/A 1000 $899.99 $0.90 Brownells
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5.56 mm NATO Brownells X-Tac 5.56 Nato 55gr Fmj 1000rd Case With 10x Pmags - 1000rd X-Tac 5.56 Nato 55gr Fmj With 10x 30-Round Pmags (100-042-530)

 		FMJ 55.0 N/A 1000 $899.99 $0.90 Brownells
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5.56 mm NATO Brownells X-Tac 5.56 Nato Ammo With Romeo5 Compact Red Dot Sight - 5.56mm Nato 62gr Penetrator Fmj 200rds W/Romeo 5 Red Dot (105-000-962)

 		FMJ 62.0 N/A 200 $299.99 $1.50 Brownells
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5.56x45 - 62 Grain FMJ F1 SS109 - Australian Defense Industries - 900 Loose Rounds in Ammo Can

 		FMJ 62.0 brass 900 $525.00 $0.58 Lucky Gunner
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5.56x45 - 62 Grain FMJ M855 - Armscor - 1000 Rounds

 		FMJ 62.0 brass 1000 $570.00 $0.57 Lucky Gunner
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5.56x45 - 68 Grain BTHP Match - Hornady Frontier - 500 Rounds

 		HP-BT 68.0 brass 500 $400.00 $0.80 Lucky Gunner
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5.56x45 - 55 Grain FMJ-BT M193 - PMC - 1000 Rounds

 		FMJ-BT 55.0 brass 1000 $600.00 $0.60 Lucky Gunner
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5.56x45 - 62 Grain FMJ M855 - PMC - 20 Rounds

 		FMJ 62.0 brass 20 $16.00 $0.80 Lucky Gunner
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5.56x45 - 62 Grain FMJ M855 - PMC - 1000 Rounds

 		FMJ 62.0 brass 1000 $640.00 $0.64 Lucky Gunner
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5.56x45mm - 77 Grain HPBT Match - Winchester - 20 Rounds

 		HP-BT 77.0 brass 20 $28.00 $1.40 Lucky Gunner
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5.56x45 - 55 Grain FMJ M193 - Hornady Frontier - 150 Rounds

 		FMJ 55.0 brass 150 $100.00 $0.67 Lucky Gunner
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5.56x45 - 70 Grain GMX - Black Hills - 50 Rounds

 		N/A 70.0 brass 50 $89.00 $1.78 Lucky Gunner
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5.56x45MM - 62 Grain FMJ - M855 - GREENTIP XTAC - PMC - 600 Rounds in Battle Pack on Stripper Clips

 		FMJ 62.0 brass 600 $409.00 $0.68 Lucky Gunner
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5.56x45 - 62 Grain FMJ M855 - Winchester USA VALOR - 1250 Rounds

 		FMJ 62.0 brass 1250 $775.00 $0.62 Lucky Gunner
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5.56x45 - 55 Grain FMJBT M193 - Prvi Partizan - 1000 Rounds in Ammo Can

 		FMJ-BT 55.0 brass 1000 $600.00 $0.60 Lucky Gunner
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5.56 mm NATO Winchester Usa 5.56mm Nato Ammo - 5.56mm Nato 62gr Full Metal Jacket 20/Box (105-004-039)

 		FMJ 62.0 N/A 20 $15.49 $0.77 Brownells
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5.56x45 - 55 Grain FMJ M193 - Hornady Frontier - 20 Rounds

 		FMJ 55.0 brass 20 $18.00 $0.90 Lucky Gunner
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5.56x45 - 62 Grain FMJ M855 - Armscor - 500 Rounds

 		FMJ 62.0 brass 500 $295.00 $0.59 Lucky Gunner
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5.56x45 - 55 Grain FMJ M193 - Hornady Frontier - 500 Rounds

 		FMJ 55.0 brass 500 $330.00 $0.66 Lucky Gunner
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5.56x45 - 50 Grain Barnes TSX HP - Black Hills Ammunition - 50 Rounds

 		HP 50.0 brass 50 $85.00 $1.70 Lucky Gunner
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5.56 mm NATO Winchester Usa 5.56mm Nato Ammo - 5.56mm Nato 55gr Full Metal Jacket 200/Box (105-004-037)

 		FMJ 55.0 N/A 200 $15.49 $0.08 Brownells
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5.56x45 - 55 Grain FMJBT XM193 - Federal American Eagle - 1000 Rounds

 		FMJ-BT 55.0 brass 1000 $605.00 $0.60 Lucky Gunner
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5.56x45mm - 62 Grain TSX - Barnes VOR-TX - 20 Rounds

 		RN 62.0 brass 20 $30.00 $1.50 Lucky Gunner
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PPU Rangemaster 5.56x45 NATO, 55gr, FMJBT, 1000rd Case

 		FMJ 55.0 N/A 1000 $649.99 $0.65 Impact Guns
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PMC X-Tac 5.56x45 NATO, 55gr, FMJBT, 20rd Box

 		FMJ 55.0 N/A 20 $14.99 $0.75 Impact Guns
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5.56x45 - 77 Grain HPBT - Sellier & Bellot - 20 Rounds

 		HP-BT 77.0 brass 20 $17.00 $0.85 Lucky Gunner
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5.56 mm NATO Winchester Usa 5.56mm Nato Ammo - 5.56mm Nato 62gr Full Metal Jacket 420/Box (105-000-946)

 		FMJ 62.0 N/A 420 $15.49 $0.04 Brownells
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5.56x45 - 55 Grain FMJ - Wolf Gold - 1000 Rounds

 		FMJ 55.0 brass 1000 $579.00 $0.58 Lucky Gunner
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5.56x45 - 62 Grain FMJ M855 - Winchester USA VALOR - 125 Rounds

 		FMJ 62.0 brass 125 $85.00 $0.68 Lucky Gunner
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5.56x45mm - 55 Grain FMJ M193 - IMI - 1200 Rounds

 		FMJ 55.0 brass 1200 $690.00 $0.57 Lucky Gunner
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5.56x45 - 55 Grain FMJ M193 - Winchester USA - 20 Rounds

 		FMJ 55.0 brass 20 $17.50 $0.88 Lucky Gunner
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5.56x45 - 55 Grain FMJ - Winchester USA - 200 Rounds

 		FMJ 55.0 brass 200 $134.00 $0.67 Lucky Gunner
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5.56x45 - 62 Grain FMJBT M855 - IMI - 30 Rounds

 		FMJ 62.0 brass 30 $26.00 $0.87 Lucky Gunner
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5.56x45 - 62 Grain FMJ M855 - Winchester - 420 Rounds in Ammo Can

 		FMJ 62.0 brass 420 $279.00 $0.66 Lucky Gunner
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Winchester 5.56 NATO 62 Grain M855 Green Tip 3060 fps (Box of 20 Rounds)

 		N/A 62.0 N/A 20 $39.95 $2.00 ExAmmo
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On Target 5.56x45mm Ammunition OTA556VM50 55 Grain V-Max 50 Rounds - Free Shipping with Buyer's Club!

 		PP 55.0 N/A 50 $49.99 $1.00 outdoorlimited.com
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Winchester Ammo S556M Match 5.56mm 77 GR Sierra MatchKing Boat-Tail Hollow Point (BTHP) 20 rounds

 		HP 77.0 N/A 20 $39.99 $2.00 vizardsgunsandammo.com
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Winchester 5.56 MM 55 GR M193 FMJ 500 ROUNDS (WM193K)

 		FMJ 55.0 N/A 500 $293.00 $0.59 laxammunition.com
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Winchester 5.56 MM 55 GR M193 FMJ 1000 ROUNDS (WM193K)

 		FMJ 55.0 N/A 1000 $585.00 $0.58 laxammunition.com
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Winchester Ammo S556M Match 5.56mm 77 GR Sierra MatchKing Boat-Tail Hollow Point (BTHP) 20 rounds

 		HP 77.0 N/A 20 $29.99 $1.50 vizardsgunsandammo.com
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Winchester Ammo USA556JF USA 5.56mm 50 GR Jacketed Frangible 20 rounds

 		FRANGIBLE 50.0 N/A 20 $33.99 $1.70 vizardsgunsandammo.com
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PMC X-TAC 5.56x45mm Nato 62 grain LAP X-TAC M855 Green Tip (Box of 20 Rounds)

 		N/A 62.0 N/A 20 $43.95 $2.20 ExAmmo
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Armscor 5.56x45mm NATO M193 Ammunition ARM50174BPCASE 55 Grain Full Metal Jacket CASE 1000 Rounds - Free Shipping with Buyer's Club!

 		FMJ 55.0 metal 1000 $549.99 $0.55 outdoorlimited.com
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PMC X-TAC 5.56X45 MM 55 GR FMJBT 20 RDS (XP193)

 		FMJ 55.0 N/A 20 $10.99 $0.55 laxammunition.com
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Hornady Frontier Military Match Grade 5.56x45mm Nato 75 grain BTHP (Box of 20)

 		HP 75.0 N/A 20 $49.95 $2.50 ExAmmo
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Winchester Ammo USA855K USA 5.56x45mm NATO 62 gr Full Metal Jacket Lead Core (FMJLC) 20 Bx/ 50 Cs

 		FMJ 62.0 metal 20 $13.99 $0.70 vizardsgunsandammo.com
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Winchester 5.56 MM 55 GR M193 FMJ 20 ROUNDS (WM193K)

 		FMJ 55.0 N/A 20 $11.78 $0.59 laxammunition.com
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Hornady Frontier Cartridge 5.56 NATO 55 Grain HP Match 20 Rounds

 		HP 55.0 N/A 20 $18.99 $0.95 Sportsmans Guide
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PMC X-TAC 5.56X45 MM 55 GR FMJBT 1000 RDS (XP193)

 		FMJ 55.0 N/A 1000 $545.00 $0.55 laxammunition.com
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** SUMMER SALE ** IMI - (Israel Military Industries) - 5.56 NATO - 62 Grain - M855 - Green Tip - Penetrator- FMJ - 20 Rounds ** IN STOCK NOW **

 		FMJ 62.0 N/A 20 $12.92 $0.65 Ammo Shop
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PMC X-TAC 5.56X45 MM 55 GR FMJBT 500 RDS (XP193)

 		FMJ 55.0 N/A 500 $274.00 $0.55 laxammunition.com
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Winchester Ammo Q3131KY USA 5.56x45mm NATO 55 gr Full Metal Jacket Lead Core (FMJLC) 20 rounds

 		FMJ 55.0 metal 20 $11.99 $0.60 vizardsgunsandammo.com
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PMC X-Tac 5.56 NATO Ammunition PMC556X 55 Grain Full Metal Jacket Boat Tail 20 Rounds - Free Shipping with Buyer's Club!

 		FMJ 55.0 metal 20 $14.99 $0.75 outdoorlimited.com
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PMC 5.56x45mm NATO Ammunition X-TAC PMC556K M855 SS109 62 Grain Green Tip Steel Core LAP FMJ 20 rounds - Free Shipping with Buyer's Club!

 		FMJ 62.0 steel 20 $14.99 $0.75 outdoorlimited.com
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Armscor 5.56x45mm NATO M855 Ammunition 50173 62 Grain Full Metal Jacket Green Tipped 20 Rounds - Free Shipping with Buyer's Club!

 		FMJ 62.0 metal 20 $10.99 $0.55 outdoorlimited.com
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Federal 5.56 50 gr. SMJ FRANGIBLE Z556NX1 20 rnd/box

 		FRANGIBLE 50.0 N/A 20 $21.00 $1.05 Ammo Supply Warehouse
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PMC X-TAC - 5.56 NATO - 62 Grain FMJ - Green Tip - 20 Round Box

 		FMJ 62.0 brass 20 $16.50 $0.82 Foxhole Armament
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Winchester USA Valor Series 5.56x45mm M855 Ammunition USA855125 62 Grain Full Metal Jacket Green Tip 125 Rounds - Free Shipping with Buyer's Club!

 		FMJ 62.0 metal 125 $93.99 $0.75 outdoorlimited.com
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Winchester 5.56x45mm NATO M193 Ammunition WM193200 55 Grain Full Metal Jacket Range Pack 200 Rounds - Free Shipping with Buyer's Club!

 		FMJ 55.0 metal 200 $149.99 $0.75 outdoorlimited.com
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Armscor Precision 5.56 62 gr. M855 SS109 FMJ 20 rnd/box

 		FMJ 62.0 N/A 20 $13.49 $0.67 Ammo Supply Warehouse
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Armscor Precision 5.56 62 gr. M855 SS109 FMJ 1000 rnd/case

 		FMJ 62.0 N/A 1000 $604.99 $0.60 Ammo Supply Warehouse
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Armscor Precision 5.56 62 gr. M855 SS109 FMJ 20 rnd/box

 		FMJ 62.0 N/A 20 $13.49 $0.67 Ammo Supply Warehouse
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PMC 5.56x45mm NATO Ammunition X-T AC PMC556K M855 SS109 62 Grain Green Tip LAP Steel Core FMJ CASE 1000 Rounds - FREE SHIPPING

 		FMJ 62.0 steel 1000 $861.93 $0.86 AmmoBoard
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PMC 5.56x45mm NATO Ammunition X-TAC PMC556K M855 SS109 62 Grain Green Tip Steel Core LAP FMJ 20 Rounds

 		FMJ 62.0 steel 20 $13.49 $0.67 Lowest Ammo
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Winchester USA 5.56 M193 55 gr. FMJ 20 rnd/box

 		FMJ 55.0 brass 20 $13.99 $0.70 Ammo Supply Warehouse
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Precision One 5.56x45mm NATO REMAN Ammunition PONE403 60 Grain Tracer 50 Rounds - Free Shipping with Buyer's Club!

 		PP 60.0 N/A 50 $59.99 $1.20 outdoorlimited.com
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Winchester USA 5.56 M193 55 gr. FMJ 20 rnd/box

 		FMJ 55.0 brass 20 $13.99 $0.70 Ammo Supply Warehouse
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Armscor 5.56x45mm NATO M855 Ammunition 50173 62 Grain Full Metal Jacket Green Tipped CASE 1000 Rounds - Free Shipping with Buyer's Club!

 		FMJ 62.0 metal 1000 $549.50 $0.55 outdoorlimited.com
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Winchester USA 5.56mm M855 NATO 62 Grain Green Tip FMJ Bulk Pack (1000 Rounds)

 		FMJ 62.0 N/A 1000 $799.99 $0.80 Top Gun Ammo
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Armscor 5.56x45mm NATO M193 Ammunition ARM50174 55 Grain Full Metal Jacket 20 Rounds - Free Shipping with Buyer's Club!

 		FMJ 55.0 metal 20 $13.99 $0.70 outdoorlimited.com
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Federal 5.56 NATO 62 Gr Green Tip FMJ Ball XM855 Penetrator (20)

 		FMJ 62.0 N/A 20 $14.95 $0.75 AmmoFast
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Armscor 5.56x45mm NATO M855 Ammunition 50173 62 Grain Full Metal Jacket Green Tipped CASE 1000 Rounds - FREE SHIPPING

 		FMJ 62.0 metal 1000 $599.99 $0.60 AmmoBoard
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Winchester 5.56mm Ammunition WM855420CS M855 Green Tip 62 Grain Full Metal Jacket Stripper Clips CAN 420 Rounds - Free Shipping with Buyer's Club!

 		FMJ 62.0 metal 420 $309.99 $0.74 outdoorlimited.com
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PMC X-Tac 5.56 NATO Ammunition PMC556X 55 Grain Full Metal Jacket Boat Tail 20 Rounds

 		FMJ 55.0 metal 20 $13.49 $0.67 Lowest Ammo
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Winchester Ammo -Q3131KY USA 5.56x45mm NATO 55 gr Full Metal Jacket Lead Core (FMJLC) 20 rounds

 		FMJ 55.0 metal 20 $22.99 $1.15 vizardsgunsandammo.com
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