Pay in installments of $112.38 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
HOLOSUN HE507COMP-GR MINATURE REFLEX 2 MOA DOT / 8-32 MOA CIRCLE507Comp GR handgun sight features a large 1. 1 x 0. 87 objective lens for enhanced shooting performance and Holosuns new Competition Reticle System (CRS) with Holosuns 540nm Green Super LED and up to 50k hour battery life with a 1632 cell. CRS is an enhanced multi reticle system with four components including a precision 2MOA dot, an 8MOA circle, 20MOA circle, and 32MOA circle with multiple combination settings to suit individual shooter preference.
507Comp-GR handgun sight features a large 1.1” x 0.87” objective lens for enhanced shooting performance and Holosun’s new Competition Reticle System (CRS) with Holosun’s 540nm Green Super LED and up to 50k hour battery life with a 1632 cell.CRS is an enhanced multi-reticle system with four components including a precision 2MOA dot, an 8MOA circle, 20MOA circle, and 32MOA circle with multiple combination settings to suit individual shooter preference. 507Comp-GR is made from 7075 aluminum with an industry standard footprint, and includes Shake Awake technology.
Key Features:
Shake Awake™
Multiple Reticle System
Super LED Green Emitter
Multilayer Reflective Glass
Up to 50,000 Hours Battery Life (Setting 6)
8 Brightness Setting: 6 DL & 2 NV Compatible
Super Large Window
Convenient Tray Battery Compartment
Parallax-free & Unlimited Eye Relief
Comes with:
T10L Key
CR1632 Battery
User Manual
Lens Cloth
OPTICAL DATA
Reticle 2 MOA Dot & 8/20/32 MOA Circle
Light Wavelength 540nm
Reticle Color Green
Parallax Free Yes
Unlim. Eye Relief Yes
Magnification 1x
Multi-Coatings Yes
ELECTRONIC DATA
Power Source Battery
Battery Type CR1632
Battery Life (Hrs) 50000
Brightness Setting 8 DL&2 NV
PHYSICAL DATA
Window Size 1.1 x 0.87
Dimension (in) 1.8×1.3×1.3
Weight (oz) 1.7
MECHANICAL DATA
Housing Material 7075 T6 Aluminum
Surface Finish Adonize
Adjustment per Click 1 MOA
W&E Travel Range ±30 MOA
ENVIRONMENT DATA
Storage Temperature -40?~70?
Working Temperature -30?~60?
Submersion IP67
Vibration 5000G
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 22 reviews
Sort
Product Reviews
★★★★★ 5
Great way to support summer learning!
Format: Paperback
I absolutely love the Summer Bridge Activities: Bridging Grades 3–4! This workbook is a fantastic way to keep kids engaged and learning over the summer break. The activities are well-designed, fun, and educational, providing the perfect balance between reinforcing what they’ve already learned and getting them excited for the next school year. The layout is visually appealing, with colorful pages and interactive exercises that make learning feel like play.
What I appreciate most is how it covers key subjects like math, reading, writing, and critical thinking skills in bite-sized chunks that kids can easily manage. My child enjoyed doing a little bit each day, and I noticed significant improvement in their confidence as they completed each activity. It's great that this workbook also includes helpful tips for parents to guide their kids through the exercises.
Overall, this is a must-have resource for parents looking to keep their children sharp and engaged during the summer while still having fun. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2025
★★★★★ 5
Great for growing minds!
I love these workbooks! We used to buy these at a local store until it closed. They help kids retain what they learned in school over the summer. The worksheet usually takes 5-10 minutes a day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
Great Summer Bridge Activities for Students going into 4th Grade
Good for 3rd going into 4th grade summer activities.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
★★★★★ 5
Excellent Summer Resource for Kids!
Format: Paperback
I purchased the "Summer Bridge Activities 2nd to 3rd Grade Workbook" for my 8-year-old, and it has exceeded my expectations in every way. This comprehensive workbook is a fantastic tool to keep children engaged and learning during the summer break. My sibling is an elementary school teacher and introduced me to these books when my son was in Kindergarten and I honestly have not looked back. My LO loved a good challenge so we typically do multiple days to ensure we finish it in its entirety during the summer. I'm constantly recommending these books every summer as I have not yet found anything to replace it.
Content Quality:
The workbook covers all essential subjects: math, reading comprehension, writing, science, social studies, and even fitness. Each section is well-organized and filled with age-appropriate activities that challenge and entertain. The variety of exercises ensures that my child doesn't get bored, and the progressive difficulty helps build confidence.
Educational Value:
The math and reading comprehension sections are particularly strong, with clear explanations and plenty of practice problems. The writing prompts encourage creativity and critical thinking, while the science and social studies sections introduce interesting facts and concepts. I appreciate the inclusion of fitness activities, promoting a healthy lifestyle alongside academic learning.
Flash Cards:
The included flash cards are a wonderful bonus. They are durable, colorful, and perfect for quick review sessions. My child enjoys using them, and they make reinforcing concepts fun and interactive.
Ease of Use:
The workbook is user-friendly with clear instructions for both parents and kids. It's designed to be self-paced, which means my child can work independently or with minimal guidance. The answer key at the back is helpful for quick checks.
Engagement:
What sets this workbook apart is its ability to make learning enjoyable. The activities are engaging, and the themes are relevant and interesting. My child looks forward to workbook time each day, which is a huge win for any parent trying to prevent the summer slide.
Overall, the "Summer Bridge Activities 2nd to 3rd Grade Workbook" is an excellent investment in your child's education. It's thorough, fun, and well-designed to keep young minds sharp over the summer. I highly recommend it to any parent looking to provide a balanced and enriching educational experience during the school break.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 13, 2024
★★★★★ 5
Good quality for price
Format: Paperback
This was a good book for the summer. It has a variety of activities so my child didn't get bored. It also has some fun "outside" only ideas to get them up and moving. It was a good bridge book that she could (mostly) do independently. However, as they progress through it, parents should be there to help and reiterate different concepts. It was well worth the price and helped the transition go smoothly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 12, 2025