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SPRINCO USA
M4 CARBINE CS REDUCED POWER SPRING KITS

657780251193 943000042
Reduced Power Buffer Spring. Sprinco collaborated with two prominent commercial ammunition manufacturers and two prominent gunsmiths to arrive at the design for the Yellow spring. It’s approximately 20% lighter than the White spring, and was the consensus choice out of 4 different evaluation samples provided to all parties. They all added in their final evaluations that if a particular gun needed a lighter spring, that the gas port should be enlarged for overall reliability. The Yellow spring is also appropriate for with low power SRTA training or SIMS Rounds for training operations.
36.9 39.9 3 GBP
Product no.: 943000042
SPRINCO USA REDUCED POWER KIT BUFFER XP 5-COIL BOLT EXTRACTOR SPRING
Mfr Part: 25119 657780251193 Reduced Power Buffer Spring. Sprinco collaborated with two prominent commercial ammunition manufacturers and two prominent gunsmiths to arrive at the design for the Yellow spring. It’s approximately 20% lighter than the White spring, and was the consensus choice out of 4 different evaluation samples provided to all parties. They all added in their final evaluations that if a particular gun needed a lighter spring, that the gas port should be enlarged for overall reliability. The Yellow spring is also appropriate for with low power SRTA training or SIMS Rounds for training operations.
39.9 GBP 1 £39.90 *
Delivery time approx. 7-14 days.
1 pcs. in the USA warehouse

Top takeaways

  1. Sprinco USA's Reduced Power Buffer Spring, known as the Yellow spring, is about 20% lighter than the White spring.
  2. The Yellow spring was developed through collaboration with ammunition manufacturers and gunsmiths and was the preferred choice out of four samples.
  3. For guns requiring a lighter spring, it is recommended to enlarge the gas port for improved reliability, and the Yellow spring is suitable for low power training rounds.

Attributes

Delivery weight: 0.082kg Shipping height: 25mm Shipping width: 25mm Shipping length: 337mm UPC : 657780251193

Item details

Made in USA



Product no.: 943000043
SPRINCO USA REDUCED POWER KIT BUFFER 4-COIL BOLT EXTRACTOR SPRING
Mfr Part: 25149 657780251490 Reduced Power Buffer Spring. Sprinco collaborated with two prominent commercial ammunition manufacturers and two prominent gunsmiths to arrive at the design for the Yellow spring. It’s approximately 20% lighter than the White spring, and was the consensus choice out of 4 different evaluation samples provided to all parties. They all added in their final evaluations that if a particular gun needed a lighter spring, that the gas port should be enlarged for overall reliability. The Yellow spring is also appropriate for with low power SRTA training or SIMS Rounds for training operations.
39.9 GBP 4 £39.90 *
Delivery time approx. 7-14 days.
4 pcs. in the USA warehouse
Product no.: 943000044
SPRINCO USA M4 CARBINE REDUCED POWER BUFFER SPRING
Mfr Part: 25113 657780251131 Reduced Power Buffer Spring. Sprinco collaborated with two prominent commercial ammunition manufacturers and two prominent gunsmiths to arrive at the design for the Yellow spring. It’s approximately 20% lighter than the White spring, and was the consensus choice out of 4 different evaluation samples provided to all parties. They all added in their final evaluations that if a particular gun needed a lighter spring, that the gas port should be enlarged for overall reliability. The Yellow spring is also appropriate for with low power SRTA training or SIMS Rounds for training operations.
36.9 GBP 0 £36.90 *
Backordered, delivery time approx. 4-12 weeks from the USA warehouse.

Enhance your shooting experience with the M4 Carbine Reduced Power Spring Kit from Sprinco USA. Perfect for training operations! ✨

Reduced Power Buffer Spring. Sprinco collaborated with two prominent commercial ammunition manufacturers and two prominent gunsmiths to arrive at the design for the Yellow spring. It’s approximately 20% lighter than the White spring, and was the consensus choice out of 4 different evaluation samples provided to all parties. They all added in their final evaluations that if a particular gun needed a lighter spring, that the gas port should be enlarged for overall reliability. The Yellow spring is also appropriate for with low power SRTA training or SIMS Rounds for training operations.
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