SKU: 91477328611

Strike Industries AR10 Enhanced Lower Receiver Parts Less Trigger, Hammer and Disconnector

Sale price$3397.50 Regular price$3775.00
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Ships within 48 hours · Estimated delivery Sep 28 - Oct 3

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Description

Strike Industries AR10 Enhanced Lower Receiver Parts Less Trigger, Hammer and DisconnectorDescription The Strike Industries Enhanced AR 10 Lower Parts Kit (Builders Kit) is a convenient upgrade package for the AR10 LR308 and those looking for a complete Strike solution for their new long range builds. This is called the Builders Kit as it includes all the essential parts needed to complete your build. It does not include a pistol grip or mil spec trigger parts because we understand that builders may want to use a pistol grip or drop in

Description

The Strike Industries Enhanced AR-10 Lower Parts Kit (Builders Kit) is a convenient upgrade package for the AR10/LR308 and those looking for a complete Strike solution for their new long range builds.

This is called the Builders Kit as it includes all the essential parts needed to complete your build. It does not include a pistol grip or mil-spec trigger parts because we understand that builders may want to use a pistol grip or drop-in trigger of their own choice.

Check out our SI AR Grips available which are also great choices. We do include spare springs for mil-spec triggers in case you want to refresh your old trigger which is a better option than letting it collect dust in a random drawer.

With our Strike Enhanced Parts, you'll have a built-out lower receiver with better looking and higher functioning parts than an average LPK.

COMPATIBILITY:
-AR-10, DPMS/LR308, SR-25 lower receivers
-Aero Precision M5 lower receivers have slight generation differences. Due to generation versions and tolerances, newer gen M5 lowers fit rear takedown pin slightly better than older gen M5.

NOT COMPATIBLE:
-ArmaLite AR-10
-Some billet lower receivers due to no Mil-Spec standard
-AR-15: Bolt Catch, Bolt Catch Roll Pin, Pivot Pin and Takedown Pin are not compatible with AR-15 lower receivers

PACKAGE CONTENTS

SI ENHANCED PARTS: (11pcs)

SPRINGS: (9pcs)

  • Bolt Catch Spring - easily confused with the disconnector spring; disconnector spring is tapered though
  • Magazine Catch Spring - this is the largest coil spring in the kit
  • Pivot Pin Detent Spring - same as the takedown detent spring, so there are two in a kit
  • Takedown Pin Detent Spring - same as the pivot detent spring, so there are two in a kit
  • Selector Spring - similar to the takedown and pivot detent springs, but larger diameter; there will only be one of these
  • Buffer Retainer Spring - second largest coil type spring in the kit
  • Hammer Spring - largest of all the springs
  • Trigger Spring - the smaller of the two largest springs
  • Disconnector Spring - slightly larger than bolt-catch spring, identifiable because one end is a little bit wide than the other

PINS/DETENTS/OTHERS: (8pcs)

  • Bolt Catch Plunger - mushroom shaped pin
  • Bolt Catch Roll Pin - smaller of the two roll pins
  • Pivot Pin Detent - same as takedown detent; both sides usually rounded or semi-conical
  • Takedown Pin Detent - same as pivot detent; both sides usually rounded
  • Selector Detent - one end is flat, the other pointed/semi-conical
  • Buffer Retainer - large hollow barrel with small pin protruding from the top
  • Hammer Pin - solid pin with machined grooves; can be inserted from either side
  • Trigger Pin - same as hammer pin; can be inserted from either side

     

    PRODUCT FEATURES:
    -Includes SI's signature Enhanced Lower Parts:

  • Strike AR-10 Enhanced Bolt Catch (SI-AR-EBC)
  • Strike Magazine Catch - Black (SI-AR-SMC)
  • SI Extended Pivot / Takedown Pins (SI-AR10-EPTP) (coming soon)
  • HEX Selector Switch 60/90 degree 3 in 1 (SI-AR-HS-60/90-3in1)

-Freedom to pick your own AR trigger group (AR hammer and trigger springs + pins are included)
-Included SI enhanced components at a cost-effective LPK price
-Perfect pairing with one of the various SI AR Grips available

NOTE: Due to no Mil-Spec standards for the AR-10 platform, some parts will still function as intended but may have slight movement

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 91477328611

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EP
Houston, US
★★★★★ 5
Great Watch!
Excellent watch. Extremely low profile considering all of its features: Six-band atomic clock reception around the world, 200 meter water resistance, stopwatch, timer, alarm, shock resistance and you hardly notice you’re wearing it! If you buy this watch scan the QR code in the English portion of the instruction manual. It provides a much more clear explanation of how to use the watch’s features. Not bulky but loaded with stand-alone features. It’s not dependent upon a cell phone for anything it provides and it charges with any light source. It’s awesome!
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Reviewed in the United States on April 14, 2026
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L.B.
Massapequa, US
★★★★★ 5
My New Favorite Everyday Face Sunscreen
Color: 04 - Untinted (1.7 oz)
I’ve tried quite a few daily sunscreens, and this one stands out for how refined it feels on the skin. The texture is elegant, moisturizing, and absorbs beautifully without the heavy, greasy finish that so many SPF products leave behind. It gives my skin a smooth, comfortable feel while still delivering dependable daily protection with zinc oxide and SPF 40. What I appreciate most is how seamlessly it fits into a morning routine. It layers well, feels gentle, and leaves my skin looking polished rather than coated. For dry skin, it strikes a really nice balance between hydration and sun protection, which makes it feel more like a true skincare step than just sunscreen. Overall, this is a very elevated everyday SPF — simple, effective, and well formulated. If you want a face sunscreen that feels sophisticated and consistently pleasant to wear, this is an excellent choice.
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Reviewed in the United States on May 7, 2026
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Liz Frazier
Lowell, US
★★★★★ 5
Love this product. Make skin soft, more even looking, protection from sun.
Color: 03 - Tinted (1.7 oz)
One of the best products I have in terms of skin care regimen. Slight tint make skin look more even and I love that this is high SPF that is safe to use on face. Decent price. Continue to buy this on regular basis.
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Reviewed in the United States on May 21, 2026
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Mandarella
Belleville, US
★★★★★ 5
Great for me
Color: 03 - Tinted (1.7 oz)
I’ve tried a lot of face sunscreens over the years, and EltaMD UV Daily really stands out. It feels incredibly lightweight and absorbs quickly without leaving any white cast, which is a must for me. I love that it layers well under makeup and doesn’t pill or feel greasy throughout the day. What makes it a staple in my routine is how it keeps my skin hydrated while still offering solid sun protection—it almost feels like a moisturizer with SPF. My skin is on the sensitive side, and this one hasn’t caused any irritation or breakouts. It’s one of those products I actually enjoy using every day, which says a lot. Definitely a 5-star go-to for me!
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Reviewed in the United States on April 6, 2026
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Armc
Pawtucket, US
★★★★★ 5
Amazing
Color: 02 - Daily Hydration+ (1.7 oz)
The best sunscreen I have used. I am prone to breakouts and using this daily hasn’t caused any flares. I also wear makeup daily and it sits well on top of the sunscreen doesn’t get overly oily throughout the day. Doesn’t have an overwhelming typical sunscreen smell. Feels nice on skin doesn’t feel sticky or gross like many other sunscreens. Pricey but an amazing investment for your skin!
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Reviewed in the United States on April 10, 2026

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