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Description

Remington‘s Thunderbolt line in .22 LR (part no. 21238) has been a bulk-plinking standard for generations, loading a 40-grain lead round nose bullet in Kleanbore-primed brass. Whether the target is prairie dogs, tin cans, or a paper bullseye, Remington rimfire ammunition delivers the quality shooters expect at a price built for high-volume range days. Stock up on this rimfire ammunition for any rimfire occasion.

Key Specifications

  • The chambering is .22 LR, fitting virtually every rimfire rifle and pistol.
  • The bullet is a 40-grain lead round nose, a proven all-purpose rimfire profile.
  • Priming is Kleanbore, Remington’s non-corrosive priming used across the Thunderbolt line.
  • Cases are brass, supporting reliable extraction and feeding.
  • Each box holds 50 rounds, ideal for a full range session.
  • The load is suited to plinking, small game, and varmints alike.
  • A box ships at about 0.4 lb, light enough to stock several at once.
  • Cost runs near $0.09 per round, reasonable for a name-brand bulk load.

Frequently Asked Questions

Is Thunderbolt corrosive-primed? No, Thunderbolt uses Remington’s Kleanbore non-corrosive priming, safe for normal cleaning routines.

What is Thunderbolt best used for? It is a general-purpose plinking and small-game load, equally at home on tin cans, targets, or varmints.

Buy Remington Thunderbolt 22LR 40gr Ammo

Thunderbolt has filled ammo cans for decades because it just works, box after box. Grab a case and keep the rimfire rifle fed. Order from our Lubbock, Texas gun shop and it ships fast to your door.

Additional Information
Caliber/Gauge

.22 LR

Case Material

Brass

Cost per Round

0.09

Grains

40Gr

Length

2.6000

Manufacturer

Remington

Manufacturer Part Number

21238

Model

Thunderbolt

Product Type

Lead Round Nose

Shipping Weight

0.4

Units per Box

50

UPC

047700002507