Over 300,000 customers - we say thank you!

40,000+ products for hunting and shooting sports

SPRINCO USA
M4 CARBINE CS STANDARD SPRING KITS

657780250493 943000040
Standard Power Buffer Spring. Equivalent spring load to a brand new Mil-Spec M4 Carbine Spring. This spring will perform reliably in any properly configured and maintained 5.56 Carbine, if you wish to maintain the performance of a "fresh" Mil-Spec load spring without concern for replacement. This is the best choice for shooters and purists that wish to maintain the performance of most factory supplied new Mil-Spec springs, but do not wish to be concerned with frequent replacement of same or do not have the time or inclination to seek enhanced performance options. Just consider it as permanent new Mil-Spec spring.
36.9 39.9 3 GBP
Product no.: 943000040
SPRINCO USA SPRING KIT-STD BUFFER & 4-COIL BOLT EXTRACTOR SPRING
Mfr Part: 25049 657780250493 Standard Power Buffer Spring. Equivalent spring load to a brand new Mil-Spec M4 Carbine Spring. This spring will perform reliably in any properly configured and maintained 5.56 Carbine, if you wish to maintain the performance of a "fresh" Mil-Spec load spring without concern for replacement. This is the best choice for shooters and purists that wish to maintain the performance of most factory supplied new Mil-Spec springs, but do not wish to be concerned with frequent replacement of same or do not have the time or inclination to seek enhanced performance options. Just consider it as permanent new Mil-Spec spring.
39.9 GBP 0 £39.90 *
Backordered, delivery time approx. 4-12 weeks from the USA warehouse.

Top takeaways

  1. The SPRINCO USA spring kit includes a standard power buffer spring with an equivalent load to a new Mil-Spec M4 Carbine Spring.
  2. Designed for reliable performance in any properly maintained 5.56 Carbine, it is ideal for those who want the consistency of a new spring without frequent replacements.
  3. This spring is optimal for shooters who prefer to maintain factory new Mil-Spec spring performance without seeking enhanced performance options.

Attributes

Delivery weight: 0.073kg Shipping height: 25mm Shipping width: 25mm Shipping length: 337mm UPC : 657780250493

Item details

Made in USA



Product no.: 943000039
SPRINCO USA SPRING KIT-STD BUFFER & HD 5-COIL BOLT EXTRACTOR SPRING
Mfr Part: 25009 657780250097 Standard Power Buffer Spring. Equivalent spring load to a brand new Mil-Spec M4 Carbine Spring. This spring will perform reliably in any properly configured and maintained 5.56 Carbine, if you wish to maintain the performance of a "fresh" Mil-Spec load spring without concern for replacement. This is the best choice for shooters and purists that wish to maintain the performance of most factory supplied new Mil-Spec springs, but do not wish to be concerned with frequent replacement of same or do not have the time or inclination to seek enhanced performance options. Just consider it as permanent new Mil-Spec spring.
39.9 GBP 11 £39.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse

Top takeaways

  1. The spring is designed to match the performance of a new Mil-Spec M4 Carbine Spring for reliable operation in any 5.56 Carbine.
  2. It is ideal for those who want to maintain "fresh" Mil-Spec spring performance without frequent replacements.
  3. SPRINCO USA's spring is a suitable option for shooters who prefer not to upgrade but desire consistent, long-term reliability.

Attributes

Delivery weight: 0.073kg Shipping height: 25mm Shipping width: 25mm Shipping length: 337mm UPC : 657780250097

Item details

Made in USA


Product no.: 943000041
SPRINCO USA M4 CARBINE BUFFER SPRING
Mfr Part: 25003 657780250035 Standard Power Buffer Spring. Equivalent spring load to a brand new Mil-Spec M4 Carbine Spring. This spring will perform reliably in any properly configured and maintained 5.56 Carbine, if you wish to maintain the performance of a "fresh" Mil-Spec load spring without concern for replacement. This is the best choice for shooters and purists that wish to maintain the performance of most factory supplied new Mil-Spec springs, but do not wish to be concerned with frequent replacement of same or do not have the time or inclination to seek enhanced performance options. Just consider it as permanent new Mil-Spec spring.
36.9 GBP 0 £36.90 *
Backordered, delivery time approx. 4-12 weeks from the USA warehouse.

Top takeaways

  1. Standard Power Buffer Spring matches new Mil-Spec M4 Carbine Spring load.
  2. Reliable performance in 5.56 Carbines without frequent replacement needs.
  3. Ideal for maintaining "fresh" Mil-Spec spring performance without seeking upgrades.

Attributes

Delivery weight: 0.068kg Shipping height: 25mm Shipping width: 25mm Shipping length: 337mm UPC : 657780250035

Item details

Made in USA

Upgrade your M4 Carbine with the SPRINCO USA Standard Spring Kit! 🔧 Enjoy reliable performance without frequent replacements.

Standard Power Buffer Spring. Equivalent spring load to a brand new Mil-Spec M4 Carbine Spring. This spring will perform reliably in any properly configured and maintained 5.56 Carbine, if you wish to maintain the performance of a "fresh" Mil-Spec load spring without concern for replacement. This is the best choice for shooters and purists that wish to maintain the performance of most factory supplied new Mil-Spec springs, but do not wish to be concerned with frequent replacement of same or do not have the time or inclination to seek enhanced performance options. Just consider it as permanent new Mil-Spec spring.
0
Reordered
£12.90 £12.90 - £23.90
 
5
In stock
£24.90
0
In stock
£49.90
Back to top