Login

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

Login

HK rifle

Sale!

HK Heckler & Koch MR556 A4 556 Nato MR 556 16" Barrel 81000827

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

$3,799.00 $3,749.00 Out of Stock

Recommended for You

STI Staccato XC 9mm Optics Ready CS Frame DLC Compensated Barrel Aluminum Flat Faced Trigger 11-1400-000110

STI Staccato XC 9mm Optics Ready CS Frame DLC Compensated Barrel Aluminum Flat Faced Trigger 11-1400-000110

(1) Royal Arms BBC22 Rimfire Suppressor – 5.1" 1/2x28 4.3 oz, Hardcoat Anodized (.22 LR / .17 HMR / 5.7 Rated)

(1) Royal Arms BBC22 Rimfire Suppressor – 5.1" 1/2x28 4.3 oz, Hardcoat Anodized (.22 LR / .17 HMR / 5.7 Rated)

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

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

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

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

Trijicon RCR Enclosed Adjustable Red Dot 3.25 MOA Black 3300001

Trijicon RCR Enclosed Adjustable Red Dot 3.25 MOA Black 3300001

FN FiveseveN 5.7X28 57 20 Round Capacity Five-Seven 3868900751

FN FiveseveN 5.7X28 57 20 Round Capacity Five-Seven 3868900751

Buy With Confidence

All firearms ship from our APPROVED FFL Dealers.

Contact Us

info@gunprime.com

Gunprime

‪(205) 649-1664‬

Links

Sell on Gunprime

Current FFL/SOT

Important information regarding ammo orders

Hours

Monday - Friday: 9am - 5pm

Saturday & Sunday: Closed

Subscribe to our mailing list

The Guns of The Matrix : 5 Firearms That Still Look Cool 27 Years Later

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

View more articles

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.

Copyright © 2026 | GUNPRIME.COM

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?