SP Shocker RSX Blue Bolt

Marsoni

M251S

$30.55

Get it in 3 business days with 1 day shipping. Friday, May 29

SP Shocker RSX Blue BoltSP Shocker RSX Blue Bolt Being phased into production November 2015, this blue bolt replaces the gold bolt as the standard armature to the bolt system. There is no performance difference between the two parts, the only difference is that the main bolt sail o ring on the blue bolt is a 17 70 where as the gold bolt uses a 16 70. The reason for the change was to reduce the overall number of different o rings in the bolt system.

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Your SP Shocker RSX Blue Bolt orders ship within 1-2 business days.

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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The Under Armour Unisex Training Cotton No Show Socks have become my husband’s absolute favorite socks—and he’s pretty picky about socks. Comfortable Fit: They’re soft, comfortable, and fit well without being too tight. They stay in place all day with no slipping or bunching. Great for Everyday Wear: Perfect for workouts, walking, and everyday use. They provide just the right amount of cushioning without feeling bulky. Durable & Long-Lasting: These hold up really well through regular wear and washing. They keep their shape and don’t wear thin quickly. Reliable Under Armour Quality: You can tell they’re well made. Consistent quality that matches what you expect from Under Armour. Overall Impression: When someone has a favorite sock and keeps reaching for it, that says everything. These are comfortable, durable, and dependable.

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Reviewed in the United States on December 30, 2025

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Kendall King

Natrona Heights, US

★★★★★ 5

Quality Under Armour socks

Size: Large, Color: (100) White / White / Black

Nice medium thick sock that is breathable but cushioned. It stays put in the show and doesn’t fall down. Fit is true to size, no show/minimal show

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Reviewed in the United States on May 2, 2026

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Jessica Beste

Battle Creek, US

★★★★★ 5

Perfect Pairs

Size: Large, Color: (100) White / White / Black

Very comfortable, soft & affordable..

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Reviewed in the United States on May 19, 2026

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ajn

Lowell, US

★★★★★ 5

Excellent athletic socks

Size: Large, Color: (100) White / White / Black

Solid athletic socks at a great price. Not too thick, not too thin. Second time I've purchased them. They last longer than most socks I've used in the past too. Only concern is the sizing. I may be reading the sizing chart wrong, but for my size 13 feet it says XL are the correct sock size. I've ordered Large twice and they're perfect. I would imagine the size Large socks would also fit up to size 14 shoe, but probably need to go with XL if foot is lager than 14.

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Reviewed in the United States on April 12, 2026

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Kevin March

Massapequa, US

★★★★★ 4

Great product

Size: Large, Color: (035) Steel / White / Black

Comfortable fit perfect

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Reviewed in the United States on March 15, 2026