Description
The GrovTec PAR 45 Degree Picatinny Angled Rail is a simple piece of kit that solves a real problem on a scoped rifle. When your primary optic is a magnified scope, getting on a close target fast can be a headache. Bolt this angled rail onto your Picatinny rail, add a red dot or set of iron sights, and a slight cant of the rifle brings that secondary sight right into view. Your grip stays put and your cheek weld barely moves.
What Makes the PAR 45 Worth Bolting On
The 45-degree offset is the sweet spot a lot of folks land on for this kind of setup. It sits far enough over from your top rail to clear turrets and bulkier optics, but it still comes into your sight picture with a natural roll of the wrist. GrovTec kept the mounting system low profile, so it hugs the rail instead of adding a tall, snaggy tower to the side of your handguard.
Built From Aluminum With a Type III Finish
This rail is machined from aluminum and wears a Type III black hardcoat anodized finish, which is the tougher end of anodizing and holds up well against scuffs and wear from regular handling. GrovTec lists it at right around 1.5 ounces, so you are getting a durable mount that adds almost nothing to the weight of your build. The black finish blends in nicely with most rifle setups without drawing attention.
Where the GrovTec Angled Rail Shines
This is a go-to for AR-platform rifles running a magnified optic up top, but it works on any firearm with standard Picatinny real estate on the handguard. Mount it at the 3 or 9 o'clock position depending on whether you shoot right or left handed, and use it for a micro red dot, backup irons, or even a light or laser if that suits your build. It is an easy, affordable way to add flexibility without crowding your primary sight line.
Key Specifications
- Manufacturer: GrovTec
- Manufacturer Part Number: GTSW321
- Model: Picatinny Rail
- UPC: 811071013475
- Offset Angle: 45 Degree
- Rail Type: Picatinny
- Material: Aluminum
- Finish: Type III Black Hardcoat Anodized
- Color: Black
- Mounting Profile: Low Profile
- Intended Use: Mounting Secondary Sights
- Weight: Approx. 1.5 oz
What’s Included
- GrovTec PAR 45 Degree Picatinny Angled Rail
- Mounting hardware
Frequently Asked Questions
What is the GrovTec PAR 45 angled rail used for?
It gives you a 45-degree offset mounting surface for a secondary sight on a Picatinny rail. That is handy when you run a magnified optic up top and want a quick backup red dot or iron sights for close work. A slight roll of the rifle brings the offset sight into view without changing your grip.
Will the PAR 45 work with any red dot or optic?
It accepts standard Picatinny-mount accessories, so most micro red dots, backup iron sights, and compact optics will bolt right on. Just check the footprint of your sight against the rail length to be sure it seats properly. Lights and lasers with a Picatinny clamp will fit as well.
Which side should I mount the GrovTec angled rail on?
Right-handed shooters typically mount it at the 3 o'clock position and lefties at 9 o'clock, so the sight rolls into view naturally. It goes on standard Picatinny rail space, usually on the handguard. Pick the side that lets you cant the rifle comfortably into your sight picture.
Is the PAR 45 rail durable enough for regular use?
Yes. It is machined from aluminum and finished with a Type III hardcoat anodizing, which is the tougher anodizing spec and stands up well to handling and wear. At around 1.5 ounces it stays light while still holding your secondary sight securely.





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