Firearms
- Pistols
- Rifles
- Shotguns
- Receiver
- Class 3
- SBR
Deals
AK-47
Ammo
Best AR-15 for Sale
Best Concealed Carry Guns
Best Home Defense Guns
Collectible
Competition
Rebates
Shop All Guns

10 round 556

6% off MSRP

HK Heckler & Koch MR556 A4 556 Nato MR 556 16" ...

$3,999.00 $3,749.00 Add to Cart

Recommended for You

Kel-Tec PR57 57 Pistol Rotary keltec Stripper Clips 5.7x28 PR57BLK

$289.00

CCI Blazer 9mm Luger Ammo 115 grain FMJ Case of 1000 Rounds 5200

$249.00

Henry Golden Boy Silver Youth 22 LR H004SY

$449.00

Springfield Armory Kuna 9mm Pistol 6" Barrel KN9069B

$929.00

Rock River LAR-15 Entry Tactical 556 NATO AR-15 with Red Dot Optic AR1256

$799.00

Taurus TX22 Gen 2 22 LR W/ Viridian RFX-11 Green Dot Threaded Barrel 1-2TX22P141-RFX11

$499.00

Buy With Confidence

All firearms ship from our APPROVED FFL Dealers.

info@gunprime.com

Gunprime

205-201-0729

Links

Sell your gun

Sell on Gunprime

Current FFL/SOT

Important information regarding ammo orders

Hours

Monday - Friday: 9am - 4pm

Saturday & Sunday: Closed

Subscribe to our mailing list

Blog

Trijicon’s $100 RMR Rebate: What It Means for Shooters in 2026

Big ATF Changes Are Coming: What They Really Mean for SBRs, Pistol Braces, and Gun Buyers

Manurhin MR73: The Last True Combat Revolver w/ Ben Grundwerg & Joseph King of Beretta

Glock’s Big Pivot: What the New “V Series” Means for Everyday Shooters

Why Suppressors Should Stay on the NFA (But With Improvements)

View more articles

Manufacturers

Benelli , Beretta , Browning , Colt , CZ , FN , Glock , HK , IWI , Kel-tec , Kriss , LWRC , Mossberg , Sig Sauer , Smith & Wesson , Springfield Armory , Steyr Arms , Walther

While every effort is made to include accurate and correct images, descriptions and pricing for all products, inadvertent errors may occur. Gunprime reserves the right to modify or change pricing information or descriptions without notice. If you have a question about an item, please call or e-mail for more information before placing your order. In store pick-ups will have a transfer fee.

Send us a Message.

* Your Name

* Your Email

* What is this message in regards to?

Your Phone (if you would like us to call you)

* Your Message

Would you like a copy of this message emailed to you?