Sprinco USA M16 Rifle Cs Buffer Spring Stand-Alone

Spro USA Sprinco Usa M16 Rifle Cs Buffer Spring Stand-Alone - Buffer Spring for AR-15 - view 1
Spro USA Sprinco Usa M16 Rifle Cs Buffer Spring Stand-Alone - Buffer Spring for AR-15 - view 2
Spro USA Sprinco Usa M16 Rifle Cs Buffer Spring Stand-Alone - Buffer Spring for AR-15 - view 3
Spro USA Sprinco Usa M16 Rifle Cs Buffer Spring Stand-Alone - Buffer Spring for AR-15 - view 4
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Spro USA

Overview

The Sprinco USA M16 Rifle CS Buffer Spring is designed specifically for AR-15 platforms, offering a rifle-length configuration that enhances cycling efficiency in your build. This stand-alone buffer spring is tailored to work optimally with a rifle gas system, making it an ideal choice for builders focusing on reliable performance, particularly in 5.56 NATO caliber setups. You'll often find this spring in builds aiming for smooth operation and consistent cycling, especially in dedicated rifle configurations.

Specifications

MPN25001
LengthRifle
PlatformAR-15

Available Merchants(6)

Prices checked

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Primary Arms logo
Primary Arms
Free shipping over $99
Shipping Speed
In Stock
$19.95
AT3 Tactical logo
AT3 Tactical
Shipping TBD
Shipping Speed
In Stock
$19.95
Palmetto State Armory logo
Palmetto State Armory
$9.99 shipping (free over $99)
Shipping Speed
In Stock
$22.49
Ammunition Depot logo
Ammunition Depot
~$28.90 est. shipping
Shipping Speed
In Stock
$24.99
BattleHawk Armory logo
BattleHawk Armory
Shipping varies
Shipping Speed
Out of Stock
$18.96
Brownells logo
Brownells
Free shipping over $99
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Out of Stock
$22.49

October 2026 on GunPartPicker

Spro USA Sprinco USA M16 Rifle Cs Buffer Spring Stand-Alone ranked #32 of the 52 buffer springs builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #16 of the 116 buffer springs builders have added. Builds with this buffer spring are mostly chambered in 5.56 NATO (69%, then .223 Wylde 25%), split between mid-length (39%) and carbine-length (31%) gas systems, and nearly all AR-15.

Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 4 of the 6 retailers we track have it in stock. Prices barely moved in October 2026, holding around $19.95, with no real sale all month. Buying today, the lowest price is $19.95 at Primary Arms, which matches the best price we saw in October.

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Frequently Built With

The part most often added in each category by the builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

100%
AR-15100%

Caliber

68.8%
5.56 NATO68.8%
.223 Wylde25%
.22 ARC3.1%
8.6 Blackout3.1%

Gas System

38.5%
Mid-Length38.5%
Carbine30.8%
Rifle26.9%
Intermediate3.8%

Builds Featuring This Part

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Builds in the community that include the Sprinco Usa M16 Rifle Cs Buffer Spring Stand-Alone

BuildPartsTotal
for the family fun 16" build
for the family fun 16"
27$2283.99
Home defense 11.5" 5.56 build
Home defense 11.5" 5.56
28$3037.17
As a truck gun 18" build
As a truck gun 18"
19$1592.39
18" Griffin Armament carbine build
18" Griffin Armament carbine
14$2613.92

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