Strike Industries115813987
Strike Industries Multi-Function Receiver End Plate & Anti-Rotation Castle Nut for AR-15/LR-308 Carbine - Steel Black$34.95
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Availability: In Stock
Current Stock: Out of stock
Building or upgrading an AR-15 or LR-308 shouldn't mean settling for a receiver end plate system that requires permanent modifications. The Strike Industries Ultralight Multi-Function Receiver End Plate with Anti-Rotation Castle Nut solves a real problem: most mil-spec end plates and castle nuts are staked or peened in place, making future rebuilds a destructive hassle. Strike Industries engineered this system to let you swap components without damage, keeping pace with how modern AR builders actually work.
The end plate itself is reversible, so you can orient your sling loops to your preferred side—left or right—without buying two different parts. It includes a built-in QD socket and multiple sling attachment points, giving you flexibility in how you configure your rifle's interface. The Anti-Rotation Castle Nut uses a set screw instead of peening, so you can tighten it to spec, then remove and reinstall it as many times as your build evolves. Both pieces are machined from ultralight 7075-T6 aluminum and hard-anodized, so they're strong enough for real use while staying minimal on weight.
Installation is straightforward and includes extras: the kit comes with a set screw to retain your takedown pin detent and spring, eliminating one of the most annoying small-parts losses in AR assembly. A tube of Loctite Blue 242 is included for the castle nut set screw, and you get a warning card. Strike Industries specs a 35 ft-lbs torque limit on the castle nut, so respect that when you're assembling. Expect minor scratches in the anodized finish where the end plate and castle nut contact during torqueing—that's normal and doesn't affect function.
Compatible with mil-spec AR-15 and AR-10 (ArmaLite/DPMS pattern) upper receivers, this is the kind of detail upgrade that separates a rifle you can actually work on from one locked into a single configuration forever.
| Material | 7075-T6 aluminum, hard-anodized |
| Compatibility | Mil-spec AR-15 and AR-10 (ArmaLite/DPMS pattern) upper receivers |
| Castle Nut Type | Anti-Rotation Castle Nut with set screw |
| QD Socket | Built-in, integrated into end plate |
| Sling Loops | Multiple attachment points, reversible orientation |
| Recommended Castle Nut Torque | Do not exceed 35 ft-lbs (47.45 nM) |
| What's Included | Multi-function end plate, anti-rotation castle nut, set screw for anti-rotation, set screw for detent/spring, Loctite Blue 242, warning card |
The Strike Industries Ultralight end plate and anti-rotation castle nut are compatible with both AR-15 and AR-10 platforms, as long as your upper receiver is mil-spec (Armalite or DPMS pattern). Double-check your receiver's spec before ordering if you're unsure.
Yes—that's the whole point. Unlike traditional end plates and castle nuts that require permanent staking or peening, this system uses a set screw to retain the castle nut. You can remove and reinstall it multiple times without damage, making it ideal if you upgrade or change configurations regularly.
You get the multi-function end plate, anti-rotation castle nut, two set screws (one for the anti-rotation function, one for the takedown pin detent and spring), a tube of Loctite Blue 242, and a warning card. Everything needed for assembly is included.
Yes. The end plate is reversible, so you can rotate it to position your sling loops on the left or right side of your receiver. This flexibility eliminates the need to buy two different end plates if you're left or right-handed.
SKU: 115843719 • Width: 4.4in • Height: 0.5in • Depth: 5.8in • Weight: 0.08oz
Availability: In Stock
Current Stock: Out of stock
Building or upgrading an AR-15 or LR-308 shouldn't mean settling for a receiver end plate system that requires permanent modifications. The Strike Industries Ultralight Multi-Function Receiver End Plate with Anti-Rotation Castle Nut solves a real problem: most mil-spec end plates and castle nuts are staked or peened in place, making future rebuilds a destructive hassle. Strike Industries engineered this system to let you swap components without damage, keeping pace with how modern AR builders actually work.
The end plate itself is reversible, so you can orient your sling loops to your preferred side—left or right—without buying two different parts. It includes a built-in QD socket and multiple sling attachment points, giving you flexibility in how you configure your rifle's interface. The Anti-Rotation Castle Nut uses a set screw instead of peening, so you can tighten it to spec, then remove and reinstall it as many times as your build evolves. Both pieces are machined from ultralight 7075-T6 aluminum and hard-anodized, so they're strong enough for real use while staying minimal on weight.
Installation is straightforward and includes extras: the kit comes with a set screw to retain your takedown pin detent and spring, eliminating one of the most annoying small-parts losses in AR assembly. A tube of Loctite Blue 242 is included for the castle nut set screw, and you get a warning card. Strike Industries specs a 35 ft-lbs torque limit on the castle nut, so respect that when you're assembling. Expect minor scratches in the anodized finish where the end plate and castle nut contact during torqueing—that's normal and doesn't affect function.
Compatible with mil-spec AR-15 and AR-10 (ArmaLite/DPMS pattern) upper receivers, this is the kind of detail upgrade that separates a rifle you can actually work on from one locked into a single configuration forever.
| Material | 7075-T6 aluminum, hard-anodized |
| Compatibility | Mil-spec AR-15 and AR-10 (ArmaLite/DPMS pattern) upper receivers |
| Castle Nut Type | Anti-Rotation Castle Nut with set screw |
| QD Socket | Built-in, integrated into end plate |
| Sling Loops | Multiple attachment points, reversible orientation |
| Recommended Castle Nut Torque | Do not exceed 35 ft-lbs (47.45 nM) |
| What's Included | Multi-function end plate, anti-rotation castle nut, set screw for anti-rotation, set screw for detent/spring, Loctite Blue 242, warning card |
The Strike Industries Ultralight end plate and anti-rotation castle nut are compatible with both AR-15 and AR-10 platforms, as long as your upper receiver is mil-spec (Armalite or DPMS pattern). Double-check your receiver's spec before ordering if you're unsure.
Yes—that's the whole point. Unlike traditional end plates and castle nuts that require permanent staking or peening, this system uses a set screw to retain the castle nut. You can remove and reinstall it multiple times without damage, making it ideal if you upgrade or change configurations regularly.
You get the multi-function end plate, anti-rotation castle nut, two set screws (one for the anti-rotation function, one for the takedown pin detent and spring), a tube of Loctite Blue 242, and a warning card. Everything needed for assembly is included.
Yes. The end plate is reversible, so you can rotate it to position your sling loops on the left or right side of your receiver. This flexibility eliminates the need to buy two different end plates if you're left or right-handed.
SKU: 115843719 • Width: 4.4in • Height: 0.5in • Depth: 5.8in • Weight: 0.08oz