+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Armaspec Self-Retention Caste Nut Up to 21% Off — 6 models

Armaspec Self-Retention Caste Nut, Aluminium, Flat Dark Earth, ARM6521-FDE
Armaspec Self-Retention Caste Nut, Aluminium, Black, ARM6521-BLK
Armaspec Self-Retention Caste Nut, Aluminium, Flat Dark Earth, ARM6521-FDE
1 of 2 images
Armaspec Self-Retention Caste Nut, Aluminium, Flat Dark Earth, ARM6521-FDE
Armaspec Self-Retention Caste Nut, Aluminium, Black, ARM6521-BLK
2 of 2 images
Armaspec Self-Retention Caste Nut, Aluminium, Black, ARM6521-BLK

Tap Tap to Zoom

Questions & Answers
Customer Reviews
Most Recent Reviews
Great little kit by James, October 13, 2025
solid part sits perfectly and tightens down clean without any slipping. The black finish looks great and hasn’t shown any wear after installation.
Read 1 Review
6 Models Available
Color
All
Search

Product Info for Armaspec Self-Retention Caste Nut

If you're searching for a fantastic offer on the Armaspec Self-Retention Caste Nut, then you have arrived at the right location..image

Developed by using some of the very most sturdy and dependable substances in existence, these AR15 Lower Parts via Armaspec offers you a product that will give you numerous years of consistency.

Armaspec has been developing superior quality merchandise for a number of years, and the Armaspec Self-Retention Caste Nut is their particular manner of showing you how much they are concerned.

Here at OpticsPlanet, we make it our responsibility to obtain the best product for all your specifications, and featuring the Armaspec Self-Retention Caste Nut is something that we are pleased to offer.

WARNING: California`s Proposition 65

Specifications for Armaspec Self-Retention Caste Nut:

Manufacturer: Armaspec
Fabric/Material: Aluminium

Package Contents:

  • Armaspec Self-Retention Caste Nut

Armaspec Self-Retention Caste Nut Orderable Models

List of Orderable Models

  • Armaspec Self-Retention Caste Nut, Aluminium, Black, ARM6521-BLK , MPN: ARM6521-BLK , UPC: 810048493999 , Code: AMS-CAN-SRCNA1-ARM6521-BLK
  • Armaspec Self-Retention Caste Nut, Aluminium, Flat Dark Earth, ARM6521-FDE , MPN: ARM6521-FDE , UPC: 810048494002 , Code: AMS-CAN-SRCNA1-ARM6521-FDE
  • Armaspec Self-Retention Caste Nut, Aluminium, OD Green, ARM6521-ODG , MPN: ARM6521-ODG , UPC: 810048494019 , Code: AMS-CAN-SRCNA1-ARM6521-ODG
  • Armaspec Self-Retention Caste Nut, Aluminium, Blue, ARM6521-BLU , MPN: ARM6521-BLU , UPC: 810048494040 , Code: AMS-CAN-SRCNA1-ARM6521-BLU
  • Armaspec Self-Retention Caste Nut, Aluminium, Red, ARM6521-RED , MPN: ARM6521-RED , UPC: 810048494033 , Code: AMS-CAN-SRCNA1-ARM6521-RED
  • Armaspec Self-Retention Caste Nut, Aluminium, Bronze, ARM6521-BRZ , MPN: ARM6521-BRZ , UPC: 810048494026 , Code: AMS-CAN-SRCNA1-ARM6521-BRZ
Compare (0)
1 item has been added
Add at least two items to compare