Strikeback Dynamic Defense Systems

Strikeback Dynamic Defense Systems 458 Daniel Webster Hwy, Unit # 8, Merrimack, NH 03054
603-262-9299
[email protected]
www

Owned and operated by Shihan Bill Spinney & Sensei Lisa Spinney. Strikeback Dynamic Defense Systems is a family free-style Martial Arts studio.

Just a friendly reminder, Black Belt class for tonight, 6/12 is cancelled. We will be open for MMA class at 4:15 and you...
06/12/2026

Just a friendly reminder, Black Belt class for tonight, 6/12 is cancelled. We will be open for MMA class at 4:15 and youth beginner class at 5:15pm

Also the dojo will be CLOSED tomorrow,, Saturday, June 13th!

Have a great weekend ☀️😎

05/25/2026
Just a friendly reminder….. the dojo is closed today! Have a great weekend ☀️😎
05/16/2026

Just a friendly reminder….. the dojo is closed today! Have a great weekend ☀️😎

Happy Mother’s Day to all our amazing Strikeback mothers and grandmothers 🩷 💜We hope you enjoy your special day 🩷
05/10/2026

Happy Mother’s Day to all our amazing Strikeback mothers and grandmothers 🩷 💜We hope you enjoy your special day 🩷

Just a friendly reminder, NO SPARRING CLASSES today.
05/02/2026

Just a friendly reminder, NO SPARRING CLASSES today.

A HUGE shoutout to ALL my ladies in strength class!! You rocked it 💪🏻🏋️ I am so proud of each and everyone of you ❤️Toni...
05/01/2026

A HUGE shoutout to ALL my ladies in strength class!! You rocked it 💪🏻🏋️ I am so proud of each and everyone of you ❤️

Tonight you had the courage to step out of your comfort zones and push yourselves beyond what you thought you could do! Let’s keep it going ❤️ 👏👏👏

Wishing everyone a Happy & Blessed Easter ✝️
04/05/2026

Wishing everyone a Happy & Blessed Easter ✝️

Happy 1st Day of Spring 🌷
03/20/2026

Happy 1st Day of Spring 🌷

Happy St. Patrick’s Day ☘️
03/17/2026

Happy St. Patrick’s Day ☘️

We are closing the dojo today for all afternoon and evening classes 😔 The roads are getting very slick! Stay safe! We wi...
03/03/2026

We are closing the dojo today for all afternoon and evening classes 😔 The roads are getting very slick! Stay safe! We will reopen tomorrow morning.

Address

458 Daniel Webster Highway, Ste 8
Merrimack, NH
03054

Opening Hours

Monday 10am - 8pm
Tuesday 10am - 8pm
Wednesday 9am - 8pm
Thursday 10am - 8pm
Friday 10am - 8pm
Saturday 9am - 12pm

Telephone

+16032629299

Website

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