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  6. Finish Your Build Kit: Adaptive Tactical AR-15 EX Performance Adjustable Stock + .308 Mil-Spec Quality Lower Parts Kit + Mil-Spec LR-308 Buffer Tube Kit + Bravo Company BCM, QD Sling Swivel, Heavy Duty, Black

Finish Your Build Kit: Adaptive Tactical AR-15 EX Performance Adjustable Stock + .308 Mil-Spec Quality Lower Parts Kit + Mil-Spec LR-308 Buffer Tube Kit + Bravo Company BCM, QD Sling Swivel, Heavy Duty, Black

Part Number: FYK-83763
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On sale $164.99 $119.99
Retail Price:$164.99
Your Savings:$45.00(27%)
29 left In Stock!
Availability: In Stock
Finish Your Build Kit:
+Adaptive Tactical AR-15 EX Performance Adjustable Stock
+.308 Mil-Spec Quality Lower Parts Kit (LPK) For AR-10
+Mil-Spec LR-308 Buffer Tube Kit
+Bravo Company BCM, QD Sling Swivel, Heavy Duty, Black

Adaptive Tactical AR-15 EX Performance Adjustable Stock

General Info: We’re not all built the same, so why should our stock be? The Adaptive Tactical AR-15 EX Performance Adjustable Stock has easy to reach adjustment levers that allow users to adjust to the proper length of pull. Adjustable stocks are also an advantage in situations where groups of people are using the same rifle. The sling loops are molded into the stock so rusting won’t occur. There are also QD mounts with an oversized, high-strength adjustment pin. The non-slip, vented rubber buttpad provides extra grip and helps reduce felt recoil. The slick, innovative design is high strength and can easily be installed using household tools.

Brand: Adaptive Tactical - Adaptive Tactical infuses every product with over 40 years of firearm design and polymer engineering expertise. With a passion for stretching the boundaries of firearm innovation, Adaptive Tactical is driven to offer products focused on improving speed, performance, and versatility. Our passion for design and innovation is balanced with an unrelenting commitment to a quality product, uncompromising safety, and unmatched customer satisfaction. Our pledge to our customers is to provide products that not only meet the intended purpose but perform beyond expectations. We stand behind every Adaptive Tactical product and guarantee your satisfaction with the quality of workmanship and materials.Expect to be thrilled with your Adaptive Tactical purchase -- we'll settle for nothing less.

Model: AT EX Performance Adjustable Stock

Weight: This stock features an overall weight of 0.60 lbs.

Platform: AR-15 / 10

Buffer Tube Compatibility - Carbine Buffer Tube: This AT EX Performance Adjustable Stock fits on a Mil-Spec Carbine Buffer using only household tools to initially seat and secure into place. After seating, it can freely adjust to different positions.

QD Sling: The AT EX Performance Adjustable Stock comes with QD attachment points for solid sling mounting.

Sling Loop: The AT EX Performance Adjustable Stock features a sling loop for easy classic mounting without the need for extra hardware.

Buttpad: This stock has a hex rubber buttpad to lighten the felt recoil impulse directed to the shooter.

.308 Mil-Spec Quality Lower Parts Kit (LPK) For AR-10

General Info: Lower Parts Kits include all of the small bits & pieces needed to make your AR-10 / LR-308 Lower fully functional. Such as the mag release, take-down pins, selector, trigger guard, bolt catch, buffer retainer, roll-pins, detents, and small springs are included to allow completion. 'Mil-Spec' kits include stronger springs meant to ignite hardened primers found on M80 Ball, and other 7.62x51mm NATO loads.

Brand: The Mil-Spec LR-308 Lower Parts Kit is produced by Recoil Technologies [https://www.deltateamtactical.com/#] in (city, State) with high-quality steel & brass components.

Brand Info: .

Platform: 'Mil-Spec' AR-10 / LR-308

FCG Included: The Recoil Technologies LR-308 Lower Parts Kit comes with a Mil-Spec Fire Control Group to ensure reliable operation and ignition of hardened rifle primers.

Grip: The Mil-Spec LR-308 Lower Parts Kit includes an A2 style grip and grip screw to complete your AR-10 / LR-308 lower receiver.

Weight: The overall weight of the Mil-Spec LR-308 Lower Parts Kit is 0.49lbs.

Mil-Spec Buffer Tube

If you are in need of the 6-Position Aluminum 6061-T6 (buffer tube) Machined to Mil-Spec dimensions, we offer it separately. No other parts included just the tube.


Length: 7.25"

AR-10 LR-308 Collapsible Stock Buffer


Drop-in installation

Uses standard recoil spring

Fits AR-10/LR-308 with collapsible stock

Length: 2.5"

Weight: 3.7 oz.

Color Buffer May Vary

Mil-Spec Receiver End Plate

Maintains Proper Alignment of Stock & Buffer Tube

M4-style receiver plate includes the engagement tab required to align the buttstock and buffer tube with the lower receiver on carbine models.

Precision, fine blanking process ensures precise edges and superior flatness for correct fit and solid installation.


Phosphate Finish

Made of 4140 Hardened Steel

AR-15 Carbine Castle Nut

Standard Mil-Spec Castle Nut

LR-308 Carbine Recoil Spring for Collapsible Stock

This Chrome Silicon recoil spring is made by Spring Dynamics to the highest quality standards available. It is stress relieved for long service life and Moly-Plated for corrosion resistance. These springs last for an incredibly long time and do not lose their strength. Test samples of these springs have been tested for over 100,000 rounds without a significant deterioration in power, performance, or reliability.

The Extra Power Buffer Spring is designed for .308 AR Carbine Platforms that use the standard 7" depth M4 buffer tubes and the short 2.5" .308 buffer. Such as DPMS, CMMG, Bushmaster (post-2010), Mega, SA Defense, Colt 901, and many others. The extra power slows the bolt carrier's rearward travel and chambers the next round with more authority. It also works very well in AR-10 rifles with the 7.75" internal buffer tube length and the 3.25" buffers. It is the correct spring to use in either one. If you want a lower power spring in the 7.75" tube with 3.25" buffer you can also use the Sprinco Red spring. But the Orange spring is the stiffer of the two.


Highest Quality Chrome Silicon Spring available


Stress Relieved

Extremely long service life with no degradation in performance

Extra Power spring weight

Bravo Company BCM, QD Sling Swivel, Heavy Duty, Black

This Bravo Company QD Sling Swivel is made from carbon steel and finished with a manganese phosphate finish to make it corrosion resistant. This swivel allows for easy attachment and detachment of a sling to your firearm.


Flush Plunger to Prevent Accidental Release

Tumble Deburred and Sand Blasted Before Plating

Carbon Steel with Manganese Phosphate Finish

For 1-1/4" Slings

To view the most up-to-date shipping times Click HERE.
To view Warranty, Returns, Terms & Restrictions Click HERE.

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