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Ammunition - Centerfire

At R&R Arms, we have an extensive range of centerfire ammunition available for sale online to gun owners. With more than 100 varieties of centerfire ammunition, we can provide you with the right ammunition for your particular needs.

Whether you are focusing on target shooting or hunting, centerfire ammunition can be a great ammunition option. Centerfire ammunition tends to be more powerful and achieve higher velocities than the alternative, rimfire ammunition. Centerfire cartridges have a noticeable primer at the base of the cartridge, and the primer may even be replaceable. Centerfire cartridges can endure much higher levels of pressure than rimfire cartridges. This feature allows centerfire ammunition to achieve higher velocities and pack a bigger punch than rimfire cartridges.

If you are unsure about which ammunition to purchase, you can feel free to contact an R&R Arms expert. We are always happy to guide you towards the best centerfire ammunition for your needs. 

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  1. Underwood Ammo .380acp 65gr. Xtreme Defender 20-pack

    Underwood Ammo .380acp 65gr. Xtreme Defender 20-pack

    Item Number: A638
    Available: 97
    $29.29

    Underwood Ammo .380acp 65gr. Xtreme Defender 20-pack... Learn More
  2. Underwood Ammo 10mm 140gr. Xtreme Penetrator 20-pack

    Underwood Ammo 10mm 140gr. Xtreme Penetrator 20-pack

    Item Number: A648
    Available: 87
    $34.20

    Underwood Ammo 10mm 140gr. Xtreme Penetrator 20-pack... Learn More
  3. Underwood Ammo 10mm 200gr. Hard Cast Flat Nose 20-pack

    Underwood Ammo 10mm 200gr. Hard Cast Flat Nose 20-pack

    Item Number: A248
    Available: 89
    $19.86

    Underwood Ammo 10mm 200gr. Hard Cast Flat Nose 20-pack... Learn More
  4. Underwood Ammo .458socom 300gr Ballistic Tip Spitzer 20-pack

    Underwood Ammo .458socom 300gr Ballistic Tip Spitzer 20-pack

    Item Number: A415
    Available: 74
    $51.30

    Underwood Ammo .458socom 300gr Ballistic Tip Spitzer 20-pack... Learn More
  5. Underwood Ammo 10mm 200gr. Jhp 20-pack

    Underwood Ammo 10mm 200gr. Jhp 20-pack

    Item Number: A247
    Available: 69
    $19.63

    Underwood Ammo 10mm 200gr. Jhp 20-pack... Learn More
  6. Underwood Ammo 10mm 180gr. Bonded Jhp 20-pack

    Underwood Ammo 10mm 180gr. Bonded Jhp 20-pack

    Item Number: A244
    Available: 62
    $19.05

    Underwood Ammo 10mm 180gr. Bonded Jhp 20-pack... Learn More
  7. Underwood Ammo .380acp 90gr. Xtreme Penetrator 20-pack

    Underwood Ammo .380acp 90gr. Xtreme Penetrator 20-pack

    Item Number: A643
    Available: 58
    $30.33

    Underwood Ammo .380acp 90gr. Xtreme Penetrator 20-pack... Learn More
  8. Underwood Ammo .380acp+p 90gr. Xtp Jhp 20-pack

    Underwood Ammo .380acp+p 90gr. Xtp Jhp 20-pack

    Item Number: A141
    Available: 50
    $16.22

    Underwood Ammo .380acp+p 90gr. Xtp Jhp 20-pack... Learn More
  9. Underwood Ammo 10mm 115gr. Xtreme Defender 20-pack

    Underwood Ammo 10mm 115gr. Xtreme Defender 20-pack

    Item Number: A810U
    Available: 43
    $32.42

    Underwood Ammo 10mm 115gr. Xtreme Defender 20-pack... Learn More
  10. Underwood Ammo .500s&w 700gr. Lead Flat Nose 20-pack

    Underwood Ammo .500s&w 700gr. Lead Flat Nose 20-pack

    Item Number: A741
    Available: 43
    $55.35

    Underwood Ammo .500s&w 700gr. Lead Flat Nose 20-pack... Learn More
  11. Underwood Ammo 9mm Luger +p 124gr. Xtp Jhp 20-pack

    Underwood Ammo 9mm Luger +p 124gr. Xtp Jhp 20-pack

    Item Number: A134
    Available: 42
    $16.81

    Underwood Ammo 9mm Luger +p 124gr. Xtp Jhp 20-pack... Learn More
  12. Underwood Ammo .300aac 125gr. Ballistic Tip 20-pack

    Underwood Ammo .300aac 125gr. Ballistic Tip 20-pack

    Item Number: A418
    Available: 40
    $24.12

    Underwood Ammo .300aac 125gr. Ballistic Tip 20-pack... Learn More
  13. Underwood Ammo .458socom 300gr Xtreme Penetrator 20-pack

    Underwood Ammo .458socom 300gr Xtreme Penetrator 20-pack

    Item Number: A411
    Available: 36
    $60.36

    Underwood Ammo .458socom 300gr Xtreme Penetrator 20-pack... Learn More
  14. Underwood Ammo .357sig 125gr. Bonded Jhp 20-pack

    Underwood Ammo .357sig 125gr. Bonded Jhp 20-pack

    Item Number: A149
    Available: 33
    $18.32

    Underwood Ammo .357sig 125gr. Bonded Jhp 20-pack... Learn More
  15. Underwood Ammo 9mm Luger +p+ 90gr. Xtreme Defender 20-pack

    Underwood Ammo 9mm Luger +p+ 90gr. Xtreme Defender 20-pack

    Item Number: A817
    Available: 33
    $30.33

    Underwood Ammo 9mm Luger +p+ 90gr. Xtreme Defender 20-pack... Learn More

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