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
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In Stock
$20
AT
AT3 Tactical
Shipping TBD
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In Stock
$20
Palmetto State Armory logo
Palmetto State Armory
$9.99 shipping (free over $99)
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In Stock
$22
Brownells logo
Brownells
Free shipping over $99
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In Stock
$22
Ammunition Depot logo
Ammunition Depot
~$28.90 est. shipping
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In Stock
$25
BattleHawk Armory logo
BattleHawk Armory
Shipping varies
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Out of Stock
$19

August 2026 on GunPartPicker

Spro USA Sprinco USA M16 Rifle Cs Buffer Spring Stand-Alone ranked #18 of the 58 buffer springs builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #13 of the 96 buffer springs builders have added. Builds with this buffer spring are mostly chambered in 5.56 NATO (88%, then .223 Wylde 13%), split between rifle-length (43%) and mid-length (29%) gas systems, and mostly AR-15 (80%, then AR-10 20%).

Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 5 of the 6 retailers we track have it in stock. Prices barely moved in August 2026, holding around $19.95, so there haven't been real sales lately. Buying today, the lowest price is $19.95 at Primary Arms, which matches the best price we saw in August.

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Frequently Built With

The part most often added in each category by the 34 builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

80%
AR-1580%
AR-1020%

Caliber

87.5%
5.56 NATO87.5%
.223 Wylde12.5%

Gas System

42.9%
Rifle42.9%
Mid-Length28.6%
Intermediate14.3%
Carbine14.3%

Builds Featuring This Part

See all 4 →

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$2165.69
Home defense 11.5" 5.56 build
Home defense 11.5" 5.56
28$3112.14
As a truck gun 18" build
As a truck gun 18"
19$1577.42
18" Griffin Armament carbine build
18" Griffin Armament carbine
14$2707.61

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